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Finding the Fourth Proportional to 47,366.96, 71,001.12 and 19,274.96

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Solution

The fourth proportional to 47,366.96, 71,001.12 and 19,274.96 is: 28,892.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,366.96 : 71,001.12 = 19,274.96 : x
  2. Step 2: Convert to fraction form
    47,366.96/71,001.12 = 19,274.96/x
  3. Step 3: Cross multiply
    47,366.96x = 71,001.12 × 19,274.96
  4. Step 4: Simplify right side
    47,366.96x = 1,368,543,747.96
  5. Step 5: Solve for x
    x = 1,368,543,747.96/47,366.96
  6. Step 6: Final answer
    x = 28,892.37

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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.