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Finding the Fourth Proportional to 62,871.68, 86,762.04 and 34,577.12

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Solution

The fourth proportional to 62,871.68, 86,762.04 and 34,577.12 is: 47,715.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,871.68 : 86,762.04 = 34,577.12 : x
  2. Step 2: Convert to fraction form
    62,871.68/86,762.04 = 34,577.12/x
  3. Step 3: Cross multiply
    62,871.68x = 86,762.04 × 34,577.12
  4. Step 4: Simplify right side
    62,871.68x = 2,999,981,468.52
  5. Step 5: Solve for x
    x = 2,999,981,468.52/62,871.68
  6. Step 6: Final answer
    x = 47,715.94

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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.