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Finding the Fourth Proportional to 63,788.72, 88,027.80 and 35,493.92

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Solution

The fourth proportional to 63,788.72, 88,027.80 and 35,493.92 is: 48,981.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,788.72 : 88,027.80 = 35,493.92 : x
  2. Step 2: Convert to fraction form
    63,788.72/88,027.80 = 35,493.92/x
  3. Step 3: Cross multiply
    63,788.72x = 88,027.80 × 35,493.92
  4. Step 4: Simplify right side
    63,788.72x = 3,124,451,690.98
  5. Step 5: Solve for x
    x = 3,124,451,690.98/63,788.72
  6. Step 6: Final answer
    x = 48,981.26

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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.