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Finding the Fourth Proportional to 63,724.80, 95,587.20 and 53,587.20

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Solution

The fourth proportional to 63,724.80, 95,587.20 and 53,587.20 is: 80,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,724.80 : 95,587.20 = 53,587.20 : x
  2. Step 2: Convert to fraction form
    63,724.80/95,587.20 = 53,587.20/x
  3. Step 3: Cross multiply
    63,724.80x = 95,587.20 × 53,587.20
  4. Step 4: Simplify right side
    63,724.80x = 5,122,250,403.84
  5. Step 5: Solve for x
    x = 5,122,250,403.84/63,724.80
  6. Step 6: Final answer
    x = 80,380.80

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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.