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Finding the Fourth Proportional to 5,711,542.90, 8,581,311.15 and 4,294,366.90

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Solution

The fourth proportional to 5,711,542.90, 8,581,311.15 and 4,294,366.90 is: 6,452,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711,542.90 : 8,581,311.15 = 4,294,366.90 : x
  2. Step 2: Convert to fraction form
    5,711,542.90/8,581,311.15 = 4,294,366.90/x
  3. Step 3: Cross multiply
    5,711,542.90x = 8,581,311.15 × 4,294,366.90
  4. Step 4: Simplify right side
    5,711,542.90x = 36,851,298,561,160.94
  5. Step 5: Solve for x
    x = 36,851,298,561,160.94/5,711,542.90
  6. Step 6: Final answer
    x = 6,452,074.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.