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Finding the Fourth Proportional to 69,792.18, 104,732.02 and 36,538.86

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Solution

The fourth proportional to 69,792.18, 104,732.02 and 36,538.86 is: 54,831.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,792.18 : 104,732.02 = 36,538.86 : x
  2. Step 2: Convert to fraction form
    69,792.18/104,732.02 = 36,538.86/x
  3. Step 3: Cross multiply
    69,792.18x = 104,732.02 × 36,538.86
  4. Step 4: Simplify right side
    69,792.18x = 3,826,788,616.30
  5. Step 5: Solve for x
    x = 3,826,788,616.30/69,792.18
  6. Step 6: Final answer
    x = 54,831.19

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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.