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Finding the Fourth Proportional to 66,529.92, 99,792.96 and 17,281.92

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Solution

The fourth proportional to 66,529.92, 99,792.96 and 17,281.92 is: 25,922.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,529.92 : 99,792.96 = 17,281.92 : x
  2. Step 2: Convert to fraction form
    66,529.92/99,792.96 = 17,281.92/x
  3. Step 3: Cross multiply
    66,529.92x = 99,792.96 × 17,281.92
  4. Step 4: Simplify right side
    66,529.92x = 1,724,613,951.28
  5. Step 5: Solve for x
    x = 1,724,613,951.28/66,529.92
  6. Step 6: Final answer
    x = 25,922.38

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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.