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Finding the Fourth Proportional to 44,996.90, 67,507.85 and 19,691.90

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Solution

The fourth proportional to 44,996.90, 67,507.85 and 19,691.90 is: 29,543.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,996.90 : 67,507.85 = 19,691.90 : x
  2. Step 2: Convert to fraction form
    44,996.90/67,507.85 = 19,691.90/x
  3. Step 3: Cross multiply
    44,996.90x = 67,507.85 × 19,691.90
  4. Step 4: Simplify right side
    44,996.90x = 1,329,358,059.30
  5. Step 5: Solve for x
    x = 1,329,358,059.30/44,996.90
  6. Step 6: Final answer
    x = 29,543.33

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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.