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Finding the Fourth Proportional to 27,616.16, 38,115.42 and 25,928.12

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Solution

The fourth proportional to 27,616.16, 38,115.42 and 25,928.12 is: 35,785.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,616.16 : 38,115.42 = 25,928.12 : x
  2. Step 2: Convert to fraction form
    27,616.16/38,115.42 = 25,928.12/x
  3. Step 3: Cross multiply
    27,616.16x = 38,115.42 × 25,928.12
  4. Step 4: Simplify right side
    27,616.16x = 988,261,183.61
  5. Step 5: Solve for x
    x = 988,261,183.61/27,616.16
  6. Step 6: Final answer
    x = 35,785.61

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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.