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Finding the Fourth Proportional to 55,470.52, 83,205.06 and 13,917.52

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Solution

The fourth proportional to 55,470.52, 83,205.06 and 13,917.52 is: 20,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,470.52 : 83,205.06 = 13,917.52 : x
  2. Step 2: Convert to fraction form
    55,470.52/83,205.06 = 13,917.52/x
  3. Step 3: Cross multiply
    55,470.52x = 83,205.06 × 13,917.52
  4. Step 4: Simplify right side
    55,470.52x = 1,158,008,086.65
  5. Step 5: Solve for x
    x = 1,158,008,086.65/55,470.52
  6. Step 6: Final answer
    x = 20,876.10

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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.