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Finding the Fourth Proportional to 24,660.70, 36,980.20 and 7,789.52

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Solution

The fourth proportional to 24,660.70, 36,980.20 and 7,789.52 is: 11,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,660.70 : 36,980.20 = 7,789.52 : x
  2. Step 2: Convert to fraction form
    24,660.70/36,980.20 = 7,789.52/x
  3. Step 3: Cross multiply
    24,660.70x = 36,980.20 × 7,789.52
  4. Step 4: Simplify right side
    24,660.70x = 288,057,857.86
  5. Step 5: Solve for x
    x = 288,057,857.86/24,660.70
  6. Step 6: Final answer
    x = 11,680.85

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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.