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Finding the Fourth Proportional to 71,037, 98,033.19 and 39,207.95

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Solution

The fourth proportional to 71,037, 98,033.19 and 39,207.95 is: 54,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,037 : 98,033.19 = 39,207.95 : x
  2. Step 2: Convert to fraction form
    71,037/98,033.19 = 39,207.95/x
  3. Step 3: Cross multiply
    71,037x = 98,033.19 × 39,207.95
  4. Step 4: Simplify right side
    71,037x = 3,843,680,142.29
  5. Step 5: Solve for x
    x = 3,843,680,142.29/71,037
  6. Step 6: Final answer
    x = 54,108.14

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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.