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Finding the Fourth Proportional to 29,354.31, 44,031.89 and 7,168.11

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Solution

The fourth proportional to 29,354.31, 44,031.89 and 7,168.11 is: 10,752.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,354.31 : 44,031.89 = 7,168.11 : x
  2. Step 2: Convert to fraction form
    29,354.31/44,031.89 = 7,168.11/x
  3. Step 3: Cross multiply
    29,354.31x = 44,031.89 × 7,168.11
  4. Step 4: Simplify right side
    29,354.31x = 315,625,395.19
  5. Step 5: Solve for x
    x = 315,625,395.19/29,354.31
  6. Step 6: Final answer
    x = 10,752.27

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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.