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Finding the Fourth Proportional to 62,409.92, 93,532.08 and 27,311.36

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Solution

The fourth proportional to 62,409.92, 93,532.08 and 27,311.36 is: 40,930.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,409.92 : 93,532.08 = 27,311.36 : x
  2. Step 2: Convert to fraction form
    62,409.92/93,532.08 = 27,311.36/x
  3. Step 3: Cross multiply
    62,409.92x = 93,532.08 × 27,311.36
  4. Step 4: Simplify right side
    62,409.92x = 2,554,488,308.43
  5. Step 5: Solve for x
    x = 2,554,488,308.43/62,409.92
  6. Step 6: Final answer
    x = 40,930.81

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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.