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Finding the Fourth Proportional to 63,398.92, 87,490.51 and 35,104.61

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Solution

The fourth proportional to 63,398.92, 87,490.51 and 35,104.61 is: 48,444.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,398.92 : 87,490.51 = 35,104.61 : x
  2. Step 2: Convert to fraction form
    63,398.92/87,490.51 = 35,104.61/x
  3. Step 3: Cross multiply
    63,398.92x = 87,490.51 × 35,104.61
  4. Step 4: Simplify right side
    63,398.92x = 3,071,320,232.25
  5. Step 5: Solve for x
    x = 3,071,320,232.25/63,398.92
  6. Step 6: Final answer
    x = 48,444.36

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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.