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Finding the Fourth Proportional to 16,660.99, 24,990.42 and 9,179.02

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Solution

The fourth proportional to 16,660.99, 24,990.42 and 9,179.02 is: 13,767.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.99 : 24,990.42 = 9,179.02 : x
  2. Step 2: Convert to fraction form
    16,660.99/24,990.42 = 9,179.02/x
  3. Step 3: Cross multiply
    16,660.99x = 24,990.42 × 9,179.02
  4. Step 4: Simplify right side
    16,660.99x = 229,387,630.65
  5. Step 5: Solve for x
    x = 229,387,630.65/16,660.99
  6. Step 6: Final answer
    x = 13,767.95

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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.