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Finding the Fourth Proportional to 29,274.89, 43,919.31 and 9,553.46

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Solution

The fourth proportional to 29,274.89, 43,919.31 and 9,553.46 is: 14,332.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,274.89 : 43,919.31 = 9,553.46 : x
  2. Step 2: Convert to fraction form
    29,274.89/43,919.31 = 9,553.46/x
  3. Step 3: Cross multiply
    29,274.89x = 43,919.31 × 9,553.46
  4. Step 4: Simplify right side
    29,274.89x = 419,581,151.72
  5. Step 5: Solve for x
    x = 419,581,151.72/29,274.89
  6. Step 6: Final answer
    x = 14,332.46

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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.