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Finding the Fourth Proportional to 7,598.72, 10,486.76 and 4,242.19

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Solution

The fourth proportional to 7,598.72, 10,486.76 and 4,242.19 is: 5,854.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,598.72 : 10,486.76 = 4,242.19 : x
  2. Step 2: Convert to fraction form
    7,598.72/10,486.76 = 4,242.19/x
  3. Step 3: Cross multiply
    7,598.72x = 10,486.76 × 4,242.19
  4. Step 4: Simplify right side
    7,598.72x = 44,486,780.98
  5. Step 5: Solve for x
    x = 44,486,780.98/7,598.72
  6. Step 6: Final answer
    x = 5,854.51

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Half scale
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Double 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.