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Finding the Fourth Proportional to 17,874.89, 26,811.24 and 8,011.52

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Solution

The fourth proportional to 17,874.89, 26,811.24 and 8,011.52 is: 12,016.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,874.89 : 26,811.24 = 8,011.52 : x
  2. Step 2: Convert to fraction form
    17,874.89/26,811.24 = 8,011.52/x
  3. Step 3: Cross multiply
    17,874.89x = 26,811.24 × 8,011.52
  4. Step 4: Simplify right side
    17,874.89x = 214,798,785.48
  5. Step 5: Solve for x
    x = 214,798,785.48/17,874.89
  6. Step 6: Final answer
    x = 12,016.79

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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.