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Finding the Fourth Proportional to 40,551.52, 60,785.72 and 19,460.72

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Solution

The fourth proportional to 40,551.52, 60,785.72 and 19,460.72 is: 29,171.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,551.52 : 60,785.72 = 19,460.72 : x
  2. Step 2: Convert to fraction form
    40,551.52/60,785.72 = 19,460.72/x
  3. Step 3: Cross multiply
    40,551.52x = 60,785.72 × 19,460.72
  4. Step 4: Simplify right side
    40,551.52x = 1,182,933,876.92
  5. Step 5: Solve for x
    x = 1,182,933,876.92/40,551.52
  6. Step 6: Final answer
    x = 29,171.14

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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.