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Finding the Fourth Proportional to 41,604.40, 62,430.90 and 15,311.80

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Solution

The fourth proportional to 41,604.40, 62,430.90 and 15,311.80 is: 22,976.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,604.40 : 62,430.90 = 15,311.80 : x
  2. Step 2: Convert to fraction form
    41,604.40/62,430.90 = 15,311.80/x
  3. Step 3: Cross multiply
    41,604.40x = 62,430.90 × 15,311.80
  4. Step 4: Simplify right side
    41,604.40x = 955,929,454.62
  5. Step 5: Solve for x
    x = 955,929,454.62/41,604.40
  6. Step 6: Final answer
    x = 22,976.64

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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.