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Finding the Fourth Proportional to 41,343.65, 61,979.06 and 16,401.22

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Solution

The fourth proportional to 41,343.65, 61,979.06 and 16,401.22 is: 24,587.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,343.65 : 61,979.06 = 16,401.22 : x
  2. Step 2: Convert to fraction form
    41,343.65/61,979.06 = 16,401.22/x
  3. Step 3: Cross multiply
    41,343.65x = 61,979.06 × 16,401.22
  4. Step 4: Simplify right side
    41,343.65x = 1,016,531,888.56
  5. Step 5: Solve for x
    x = 1,016,531,888.56/41,343.65
  6. Step 6: Final answer
    x = 24,587.38

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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.