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Finding the Fourth Proportional to 24,121.80, 36,169.68 and 7,474.68

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Solution

The fourth proportional to 24,121.80, 36,169.68 and 7,474.68 is: 11,207.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,121.80 : 36,169.68 = 7,474.68 : x
  2. Step 2: Convert to fraction form
    24,121.80/36,169.68 = 7,474.68/x
  3. Step 3: Cross multiply
    24,121.80x = 36,169.68 × 7,474.68
  4. Step 4: Simplify right side
    24,121.80x = 270,356,783.70
  5. Step 5: Solve for x
    x = 270,356,783.70/24,121.80
  6. Step 6: Final answer
    x = 11,207.99

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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.