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Finding the Fourth Proportional to 63,292.82, 87,264.69 and 40,591.76

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Solution

The fourth proportional to 63,292.82, 87,264.69 and 40,591.76 is: 55,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,292.82 : 87,264.69 = 40,591.76 : x
  2. Step 2: Convert to fraction form
    63,292.82/87,264.69 = 40,591.76/x
  3. Step 3: Cross multiply
    63,292.82x = 87,264.69 × 40,591.76
  4. Step 4: Simplify right side
    63,292.82x = 3,542,226,916.63
  5. Step 5: Solve for x
    x = 3,542,226,916.63/63,292.82
  6. Step 6: Final answer
    x = 55,965.70

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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.