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Finding the Fourth Proportional to 7,600.74, 10,486.67 and 4,243.08

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Solution

The fourth proportional to 7,600.74, 10,486.67 and 4,243.08 is: 5,854.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,600.74 : 10,486.67 = 4,243.08 : x
  2. Step 2: Convert to fraction form
    7,600.74/10,486.67 = 4,243.08/x
  3. Step 3: Cross multiply
    7,600.74x = 10,486.67 × 4,243.08
  4. Step 4: Simplify right side
    7,600.74x = 44,495,797.85
  5. Step 5: Solve for x
    x = 44,495,797.85/7,600.74
  6. Step 6: Final answer
    x = 5,854.14

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Half scale
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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.