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Finding the Fourth Proportional to 40,360.16, 60,452.72 and 19,540

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Solution

The fourth proportional to 40,360.16, 60,452.72 and 19,540 is: 29,267.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,360.16 : 60,452.72 = 19,540 : x
  2. Step 2: Convert to fraction form
    40,360.16/60,452.72 = 19,540/x
  3. Step 3: Cross multiply
    40,360.16x = 60,452.72 × 19,540
  4. Step 4: Simplify right side
    40,360.16x = 1,181,246,148.80
  5. Step 5: Solve for x
    x = 1,181,246,148.80/40,360.16
  6. Step 6: Final answer
    x = 29,267.63

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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.