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Finding the Fourth Proportional to 52,704.44, 72,732.04 and 28,831.04

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Solution

The fourth proportional to 52,704.44, 72,732.04 and 28,831.04 is: 39,786.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,704.44 : 72,732.04 = 28,831.04 : x
  2. Step 2: Convert to fraction form
    52,704.44/72,732.04 = 28,831.04/x
  3. Step 3: Cross multiply
    52,704.44x = 72,732.04 × 28,831.04
  4. Step 4: Simplify right side
    52,704.44x = 2,096,940,354.52
  5. Step 5: Solve for x
    x = 2,096,940,354.52/52,704.44
  6. Step 6: Final answer
    x = 39,786.79

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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.