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Finding the Fourth Proportional to 7,514.67, 10,369.04 and 4,718.19

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Solution

The fourth proportional to 7,514.67, 10,369.04 and 4,718.19 is: 6,510.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.67 : 10,369.04 = 4,718.19 : x
  2. Step 2: Convert to fraction form
    7,514.67/10,369.04 = 4,718.19/x
  3. Step 3: Cross multiply
    7,514.67x = 10,369.04 × 4,718.19
  4. Step 4: Simplify right side
    7,514.67x = 48,923,077.25
  5. Step 5: Solve for x
    x = 48,923,077.25/7,514.67
  6. Step 6: Final answer
    x = 6,510.34

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Find fourth proportional to 3,757.34, 5,184.52 and 2,359.10
Half scale
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Double scale
Find fourth proportional to 7,515.67, 10,370.41 and 4,719.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.