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Finding the Fourth Proportional to 63,543.72, 87,700.88 and 35,258.52

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Solution

The fourth proportional to 63,543.72, 87,700.88 and 35,258.52 is: 48,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,543.72 : 87,700.88 = 35,258.52 : x
  2. Step 2: Convert to fraction form
    63,543.72/87,700.88 = 35,258.52/x
  3. Step 3: Cross multiply
    63,543.72x = 87,700.88 × 35,258.52
  4. Step 4: Simplify right side
    63,543.72x = 3,092,203,231.50
  5. Step 5: Solve for x
    x = 3,092,203,231.50/63,543.72
  6. Step 6: Final answer
    x = 48,662.61

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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.