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Finding the Fourth Proportional to 63,606.72, 87,773.84 and 35,310.60

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Solution

The fourth proportional to 63,606.72, 87,773.84 and 35,310.60 is: 48,726.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,606.72 : 87,773.84 = 35,310.60 : x
  2. Step 2: Convert to fraction form
    63,606.72/87,773.84 = 35,310.60/x
  3. Step 3: Cross multiply
    63,606.72x = 87,773.84 × 35,310.60
  4. Step 4: Simplify right side
    63,606.72x = 3,099,346,954.70
  5. Step 5: Solve for x
    x = 3,099,346,954.70/63,606.72
  6. Step 6: Final answer
    x = 48,726.72

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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.