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Finding the Fourth Proportional to 40,348.53, 60,522.80 and 10,766.47

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Solution

The fourth proportional to 40,348.53, 60,522.80 and 10,766.47 is: 16,149.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,348.53 : 60,522.80 = 10,766.47 : x
  2. Step 2: Convert to fraction form
    40,348.53/60,522.80 = 10,766.47/x
  3. Step 3: Cross multiply
    40,348.53x = 60,522.80 × 10,766.47
  4. Step 4: Simplify right side
    40,348.53x = 651,616,910.52
  5. Step 5: Solve for x
    x = 651,616,910.52/40,348.53
  6. Step 6: Final answer
    x = 16,149.71

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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.