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Finding the Fourth Proportional to 63,690.96, 87,898.80 and 41,077.04

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Solution

The fourth proportional to 63,690.96, 87,898.80 and 41,077.04 is: 56,689.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,690.96 : 87,898.80 = 41,077.04 : x
  2. Step 2: Convert to fraction form
    63,690.96/87,898.80 = 41,077.04/x
  3. Step 3: Cross multiply
    63,690.96x = 87,898.80 × 41,077.04
  4. Step 4: Simplify right side
    63,690.96x = 3,610,622,523.55
  5. Step 5: Solve for x
    x = 3,610,622,523.55/63,690.96
  6. Step 6: Final answer
    x = 56,689.72

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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.