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Finding the Fourth Proportional to 29,262.47, 43,889.10 and 9,540.86

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Solution

The fourth proportional to 29,262.47, 43,889.10 and 9,540.86 is: 14,309.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,262.47 : 43,889.10 = 9,540.86 : x
  2. Step 2: Convert to fraction form
    29,262.47/43,889.10 = 9,540.86/x
  3. Step 3: Cross multiply
    29,262.47x = 43,889.10 × 9,540.86
  4. Step 4: Simplify right side
    29,262.47x = 418,739,758.63
  5. Step 5: Solve for x
    x = 418,739,758.63/29,262.47
  6. Step 6: Final answer
    x = 14,309.79

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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.