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Finding the Fourth Proportional to 29,274.88, 43,919.30 and 9,553.47

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Solution

The fourth proportional to 29,274.88, 43,919.30 and 9,553.47 is: 14,332.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,274.88 : 43,919.30 = 9,553.47 : x
  2. Step 2: Convert to fraction form
    29,274.88/43,919.30 = 9,553.47/x
  3. Step 3: Cross multiply
    29,274.88x = 43,919.30 × 9,553.47
  4. Step 4: Simplify right side
    29,274.88x = 419,581,738.85
  5. Step 5: Solve for x
    x = 419,581,738.85/29,274.88
  6. Step 6: Final answer
    x = 14,332.48

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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.