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Finding the Fourth Proportional to 70,363.33, 97,098.47 and 38,531.68

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Solution

The fourth proportional to 70,363.33, 97,098.47 and 38,531.68 is: 53,172.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,363.33 : 97,098.47 = 38,531.68 : x
  2. Step 2: Convert to fraction form
    70,363.33/97,098.47 = 38,531.68/x
  3. Step 3: Cross multiply
    70,363.33x = 97,098.47 × 38,531.68
  4. Step 4: Simplify right side
    70,363.33x = 3,741,366,689.04
  5. Step 5: Solve for x
    x = 3,741,366,689.04/70,363.33
  6. Step 6: Final answer
    x = 53,172.11

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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.