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Finding the Fourth Proportional to 41,630.80, 62,408.40 and 15,329.20

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Solution

The fourth proportional to 41,630.80, 62,408.40 and 15,329.20 is: 22,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,630.80 : 62,408.40 = 15,329.20 : x
  2. Step 2: Convert to fraction form
    41,630.80/62,408.40 = 15,329.20/x
  3. Step 3: Cross multiply
    41,630.80x = 62,408.40 × 15,329.20
  4. Step 4: Simplify right side
    41,630.80x = 956,670,845.28
  5. Step 5: Solve for x
    x = 956,670,845.28/41,630.80
  6. Step 6: Final answer
    x = 22,979.88

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1.5x scale

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.