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Finding the Fourth Proportional to 63,445.26, 87,550.67 and 35,148.90

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Solution

The fourth proportional to 63,445.26, 87,550.67 and 35,148.90 is: 48,503.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,445.26 : 87,550.67 = 35,148.90 : x
  2. Step 2: Convert to fraction form
    63,445.26/87,550.67 = 35,148.90/x
  3. Step 3: Cross multiply
    63,445.26x = 87,550.67 × 35,148.90
  4. Step 4: Simplify right side
    63,445.26x = 3,077,309,569.02
  5. Step 5: Solve for x
    x = 3,077,309,569.02/63,445.26
  6. Step 6: Final answer
    x = 48,503.38

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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.