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Finding the Fourth Proportional to 55,591.87, 83,283.17 and 27,479.02

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Solution

The fourth proportional to 55,591.87, 83,283.17 and 27,479.02 is: 41,166.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,591.87 : 83,283.17 = 27,479.02 : x
  2. Step 2: Convert to fraction form
    55,591.87/83,283.17 = 27,479.02/x
  3. Step 3: Cross multiply
    55,591.87x = 83,283.17 × 27,479.02
  4. Step 4: Simplify right side
    55,591.87x = 2,288,539,754.58
  5. Step 5: Solve for x
    x = 2,288,539,754.58/55,591.87
  6. Step 6: Final answer
    x = 41,166.81

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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.