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Finding the Fourth Proportional to 34,791.13, 52,189.52 and 9,831.39

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Solution

The fourth proportional to 34,791.13, 52,189.52 and 9,831.39 is: 14,747.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,791.13 : 52,189.52 = 9,831.39 : x
  2. Step 2: Convert to fraction form
    34,791.13/52,189.52 = 9,831.39/x
  3. Step 3: Cross multiply
    34,791.13x = 52,189.52 × 9,831.39
  4. Step 4: Simplify right side
    34,791.13x = 513,095,280.17
  5. Step 5: Solve for x
    x = 513,095,280.17/34,791.13
  6. Step 6: Final answer
    x = 14,747.88

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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.