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Finding the Fourth Proportional to 26,549.16, 39,830.22 and 8,081.16

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Solution

The fourth proportional to 26,549.16, 39,830.22 and 8,081.16 is: 12,123.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,549.16 : 39,830.22 = 8,081.16 : x
  2. Step 2: Convert to fraction form
    26,549.16/39,830.22 = 8,081.16/x
  3. Step 3: Cross multiply
    26,549.16x = 39,830.22 × 8,081.16
  4. Step 4: Simplify right side
    26,549.16x = 321,874,380.66
  5. Step 5: Solve for x
    x = 321,874,380.66/26,549.16
  6. Step 6: Final answer
    x = 12,123.71

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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.