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Finding the Fourth Proportional to 63,585.60, 87,749.20 and 35,291.44

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Solution

The fourth proportional to 63,585.60, 87,749.20 and 35,291.44 is: 48,702.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,585.60 : 87,749.20 = 35,291.44 : x
  2. Step 2: Convert to fraction form
    63,585.60/87,749.20 = 35,291.44/x
  3. Step 3: Cross multiply
    63,585.60x = 87,749.20 × 35,291.44
  4. Step 4: Simplify right side
    63,585.60x = 3,096,795,626.85
  5. Step 5: Solve for x
    x = 3,096,795,626.85/63,585.60
  6. Step 6: Final answer
    x = 48,702.78

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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.