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Finding the Fourth Proportional to 16,126.78, 22,258.11 and 9,052.78

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Solution

The fourth proportional to 16,126.78, 22,258.11 and 9,052.78 is: 12,494.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,126.78 : 22,258.11 = 9,052.78 : x
  2. Step 2: Convert to fraction form
    16,126.78/22,258.11 = 9,052.78/x
  3. Step 3: Cross multiply
    16,126.78x = 22,258.11 × 9,052.78
  4. Step 4: Simplify right side
    16,126.78x = 201,497,773.05
  5. Step 5: Solve for x
    x = 201,497,773.05/16,126.78
  6. Step 6: Final answer
    x = 12,494.61

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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.