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Finding the Fourth Proportional to 27,245.80, 40,818.30 and 15,524.20

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Solution

The fourth proportional to 27,245.80, 40,818.30 and 15,524.20 is: 23,257.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,245.80 : 40,818.30 = 15,524.20 : x
  2. Step 2: Convert to fraction form
    27,245.80/40,818.30 = 15,524.20/x
  3. Step 3: Cross multiply
    27,245.80x = 40,818.30 × 15,524.20
  4. Step 4: Simplify right side
    27,245.80x = 633,671,452.86
  5. Step 5: Solve for x
    x = 633,671,452.86/27,245.80
  6. Step 6: Final answer
    x = 23,257.58

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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.