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Finding the Fourth Proportional to 62,491.52, 86,240.40 and 34,197.14

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Solution

The fourth proportional to 62,491.52, 86,240.40 and 34,197.14 is: 47,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,491.52 : 86,240.40 = 34,197.14 : x
  2. Step 2: Convert to fraction form
    62,491.52/86,240.40 = 34,197.14/x
  3. Step 3: Cross multiply
    62,491.52x = 86,240.40 × 34,197.14
  4. Step 4: Simplify right side
    62,491.52x = 2,949,175,032.46
  5. Step 5: Solve for x
    x = 2,949,175,032.46/62,491.52
  6. Step 6: Final answer
    x = 47,193.20

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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.