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Finding the Fourth Proportional to 16,578.80, 24,881.80 and 16,449.20

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Solution

The fourth proportional to 16,578.80, 24,881.80 and 16,449.20 is: 24,687.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,578.80 : 24,881.80 = 16,449.20 : x
  2. Step 2: Convert to fraction form
    16,578.80/24,881.80 = 16,449.20/x
  3. Step 3: Cross multiply
    16,578.80x = 24,881.80 × 16,449.20
  4. Step 4: Simplify right side
    16,578.80x = 409,285,704.56
  5. Step 5: Solve for x
    x = 409,285,704.56/16,578.80
  6. Step 6: Final answer
    x = 24,687.29

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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.