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Finding the Fourth Proportional to 44,793.30, 67,125.15 and 19,812.90

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Solution

The fourth proportional to 44,793.30, 67,125.15 and 19,812.90 is: 29,690.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,793.30 : 67,125.15 = 19,812.90 : x
  2. Step 2: Convert to fraction form
    44,793.30/67,125.15 = 19,812.90/x
  3. Step 3: Cross multiply
    44,793.30x = 67,125.15 × 19,812.90
  4. Step 4: Simplify right side
    44,793.30x = 1,329,943,884.44
  5. Step 5: Solve for x
    x = 1,329,943,884.44/44,793.30
  6. Step 6: Final answer
    x = 29,690.69

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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.