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Finding the Fourth Proportional to 64,363.28, 88,826.56 and 35,691.92

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Solution

The fourth proportional to 64,363.28, 88,826.56 and 35,691.92 is: 49,257.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,363.28 : 88,826.56 = 35,691.92 : x
  2. Step 2: Convert to fraction form
    64,363.28/88,826.56 = 35,691.92/x
  3. Step 3: Cross multiply
    64,363.28x = 88,826.56 × 35,691.92
  4. Step 4: Simplify right side
    64,363.28x = 3,170,390,173.88
  5. Step 5: Solve for x
    x = 3,170,390,173.88/64,363.28
  6. Step 6: Final answer
    x = 49,257.75

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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.