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Finding the Fourth Proportional to 16,933.66, 25,400.49 and 8,169.46

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Solution

The fourth proportional to 16,933.66, 25,400.49 and 8,169.46 is: 12,254.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,933.66 : 25,400.49 = 8,169.46 : x
  2. Step 2: Convert to fraction form
    16,933.66/25,400.49 = 8,169.46/x
  3. Step 3: Cross multiply
    16,933.66x = 25,400.49 × 8,169.46
  4. Step 4: Simplify right side
    16,933.66x = 207,508,287.04
  5. Step 5: Solve for x
    x = 207,508,287.04/16,933.66
  6. Step 6: Final answer
    x = 12,254.19

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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.