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Finding the Fourth Proportional to 63,763.28, 87,994.44 and 35,468.96

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Solution

The fourth proportional to 63,763.28, 87,994.44 and 35,468.96 is: 48,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,763.28 : 87,994.44 = 35,468.96 : x
  2. Step 2: Convert to fraction form
    63,763.28/87,994.44 = 35,468.96/x
  3. Step 3: Cross multiply
    63,763.28x = 87,994.44 × 35,468.96
  4. Step 4: Simplify right side
    63,763.28x = 3,121,071,272.58
  5. Step 5: Solve for x
    x = 3,121,071,272.58/63,763.28
  6. Step 6: Final answer
    x = 48,947.78

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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.