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Finding the Fourth Proportional to 29,291.40, 43,937.12 and 16,892.48

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Solution

The fourth proportional to 29,291.40, 43,937.12 and 16,892.48 is: 25,338.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,291.40 : 43,937.12 = 16,892.48 : x
  2. Step 2: Convert to fraction form
    29,291.40/43,937.12 = 16,892.48/x
  3. Step 3: Cross multiply
    29,291.40x = 43,937.12 × 16,892.48
  4. Step 4: Simplify right side
    29,291.40x = 742,206,920.86
  5. Step 5: Solve for x
    x = 742,206,920.86/29,291.40
  6. Step 6: Final answer
    x = 25,338.73

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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.