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Finding the Fourth Proportional to 27,382.95, 41,079.50 and 8,667.71

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Solution

The fourth proportional to 27,382.95, 41,079.50 and 8,667.71 is: 13,003.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,382.95 : 41,079.50 = 8,667.71 : x
  2. Step 2: Convert to fraction form
    27,382.95/41,079.50 = 8,667.71/x
  3. Step 3: Cross multiply
    27,382.95x = 41,079.50 × 8,667.71
  4. Step 4: Simplify right side
    27,382.95x = 356,064,944.21
  5. Step 5: Solve for x
    x = 356,064,944.21/27,382.95
  6. Step 6: Final answer
    x = 13,003.16

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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.