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Finding the Fourth Proportional to 61,727.91, 92,572.71 and 22,279.89

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Solution

The fourth proportional to 61,727.91, 92,572.71 and 22,279.89 is: 33,412.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,727.91 : 92,572.71 = 22,279.89 : x
  2. Step 2: Convert to fraction form
    61,727.91/92,572.71 = 22,279.89/x
  3. Step 3: Cross multiply
    61,727.91x = 92,572.71 × 22,279.89
  4. Step 4: Simplify right side
    61,727.91x = 2,062,509,795.80
  5. Step 5: Solve for x
    x = 2,062,509,795.80/61,727.91
  6. Step 6: Final answer
    x = 33,412.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.