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Finding the Fourth Proportional to 29,044.86, 43,572.94 and 9,321.90

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Solution

The fourth proportional to 29,044.86, 43,572.94 and 9,321.90 is: 13,984.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,044.86 : 43,572.94 = 9,321.90 : x
  2. Step 2: Convert to fraction form
    29,044.86/43,572.94 = 9,321.90/x
  3. Step 3: Cross multiply
    29,044.86x = 43,572.94 × 9,321.90
  4. Step 4: Simplify right side
    29,044.86x = 406,182,589.39
  5. Step 5: Solve for x
    x = 406,182,589.39/29,044.86
  6. Step 6: Final answer
    x = 13,984.66

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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.