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Finding the Fourth Proportional to 63,708.92, 87,921.42 and 35,414

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Solution

The fourth proportional to 63,708.92, 87,921.42 and 35,414 is: 48,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,708.92 : 87,921.42 = 35,414 : x
  2. Step 2: Convert to fraction form
    63,708.92/87,921.42 = 35,414/x
  3. Step 3: Cross multiply
    63,708.92x = 87,921.42 × 35,414
  4. Step 4: Simplify right side
    63,708.92x = 3,113,649,167.88
  5. Step 5: Solve for x
    x = 3,113,649,167.88/63,708.92
  6. Step 6: Final answer
    x = 48,873.05

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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.