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Finding the Fourth Proportional to 62,043.52, 85,581.66 and 54,104.80

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Solution

The fourth proportional to 62,043.52, 85,581.66 and 54,104.80 is: 74,631.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,043.52 : 85,581.66 = 54,104.80 : x
  2. Step 2: Convert to fraction form
    62,043.52/85,581.66 = 54,104.80/x
  3. Step 3: Cross multiply
    62,043.52x = 85,581.66 × 54,104.80
  4. Step 4: Simplify right side
    62,043.52x = 4,630,378,597.97
  5. Step 5: Solve for x
    x = 4,630,378,597.97/62,043.52
  6. Step 6: Final answer
    x = 74,631.14

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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.