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Finding the Fourth Proportional to 29,013.46, 43,523.22 and 12,375.25

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Solution

The fourth proportional to 29,013.46, 43,523.22 and 12,375.25 is: 18,564.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,013.46 : 43,523.22 = 12,375.25 : x
  2. Step 2: Convert to fraction form
    29,013.46/43,523.22 = 12,375.25/x
  3. Step 3: Cross multiply
    29,013.46x = 43,523.22 × 12,375.25
  4. Step 4: Simplify right side
    29,013.46x = 538,610,728.31
  5. Step 5: Solve for x
    x = 538,610,728.31/29,013.46
  6. Step 6: Final answer
    x = 18,564.17

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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.