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Finding the Fourth Proportional to 18,752.58, 25,882.16 and 12,046.68

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Solution

The fourth proportional to 18,752.58, 25,882.16 and 12,046.68 is: 16,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,752.58 : 25,882.16 = 12,046.68 : x
  2. Step 2: Convert to fraction form
    18,752.58/25,882.16 = 12,046.68/x
  3. Step 3: Cross multiply
    18,752.58x = 25,882.16 × 12,046.68
  4. Step 4: Simplify right side
    18,752.58x = 311,794,039.00
  5. Step 5: Solve for x
    x = 311,794,039.00/18,752.58
  6. Step 6: Final answer
    x = 16,626.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.