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Finding the Fourth Proportional to 41,343.45, 61,978.25 and 15,029.65

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Solution

The fourth proportional to 41,343.45, 61,978.25 and 15,029.65 is: 22,531.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,343.45 : 61,978.25 = 15,029.65 : x
  2. Step 2: Convert to fraction form
    41,343.45/61,978.25 = 15,029.65/x
  3. Step 3: Cross multiply
    41,343.45x = 61,978.25 × 15,029.65
  4. Step 4: Simplify right side
    41,343.45x = 931,511,541.27
  5. Step 5: Solve for x
    x = 931,511,541.27/41,343.45
  6. Step 6: Final answer
    x = 22,531.06

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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.