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Finding the Fourth Proportional to 16,474.95, 24,694.99 and 5,378.65

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Solution

The fourth proportional to 16,474.95, 24,694.99 and 5,378.65 is: 8,062.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,474.95 : 24,694.99 = 5,378.65 : x
  2. Step 2: Convert to fraction form
    16,474.95/24,694.99 = 5,378.65/x
  3. Step 3: Cross multiply
    16,474.95x = 24,694.99 × 5,378.65
  4. Step 4: Simplify right side
    16,474.95x = 132,825,632.78
  5. Step 5: Solve for x
    x = 132,825,632.78/16,474.95
  6. Step 6: Final answer
    x = 8,062.28

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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.