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Finding the Fourth Proportional to 40,369.68, 60,479.19 and 29,249.19

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Solution

The fourth proportional to 40,369.68, 60,479.19 and 29,249.19 is: 43,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,369.68 : 60,479.19 = 29,249.19 : x
  2. Step 2: Convert to fraction form
    40,369.68/60,479.19 = 29,249.19/x
  3. Step 3: Cross multiply
    40,369.68x = 60,479.19 × 29,249.19
  4. Step 4: Simplify right side
    40,369.68x = 1,768,967,319.36
  5. Step 5: Solve for x
    x = 1,768,967,319.36/40,369.68
  6. Step 6: Final answer
    x = 43,819.21

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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.