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Finding the Fourth Proportional to 62,409.24, 86,124.68 and 33,728.88

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Solution

The fourth proportional to 62,409.24, 86,124.68 and 33,728.88 is: 46,545.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,409.24 : 86,124.68 = 33,728.88 : x
  2. Step 2: Convert to fraction form
    62,409.24/86,124.68 = 33,728.88/x
  3. Step 3: Cross multiply
    62,409.24x = 86,124.68 × 33,728.88
  4. Step 4: Simplify right side
    62,409.24x = 2,904,888,828.11
  5. Step 5: Solve for x
    x = 2,904,888,828.11/62,409.24
  6. Step 6: Final answer
    x = 46,545.81

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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.