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Finding the Fourth Proportional to 40,173.71, 60,297.89 and 20,467.08

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Solution

The fourth proportional to 40,173.71, 60,297.89 and 20,467.08 is: 30,719.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,173.71 : 60,297.89 = 20,467.08 : x
  2. Step 2: Convert to fraction form
    40,173.71/60,297.89 = 20,467.08/x
  3. Step 3: Cross multiply
    40,173.71x = 60,297.89 × 20,467.08
  4. Step 4: Simplify right side
    40,173.71x = 1,234,121,636.13
  5. Step 5: Solve for x
    x = 1,234,121,636.13/40,173.71
  6. Step 6: Final answer
    x = 30,719.64

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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.