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Finding the Fourth Proportional to 62,487, 86,232.06 and 34,192.70

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Solution

The fourth proportional to 62,487, 86,232.06 and 34,192.70 is: 47,185.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,487 : 86,232.06 = 34,192.70 : x
  2. Step 2: Convert to fraction form
    62,487/86,232.06 = 34,192.70/x
  3. Step 3: Cross multiply
    62,487x = 86,232.06 × 34,192.70
  4. Step 4: Simplify right side
    62,487x = 2,948,506,526.80
  5. Step 5: Solve for x
    x = 2,948,506,526.80/62,487
  6. Step 6: Final answer
    x = 47,185.92

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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.