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Finding the Fourth Proportional to 27,591.60, 41,375.13 and 7,865.70

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Solution

The fourth proportional to 27,591.60, 41,375.13 and 7,865.70 is: 11,795.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,591.60 : 41,375.13 = 7,865.70 : x
  2. Step 2: Convert to fraction form
    27,591.60/41,375.13 = 7,865.70/x
  3. Step 3: Cross multiply
    27,591.60x = 41,375.13 × 7,865.70
  4. Step 4: Simplify right side
    27,591.60x = 325,444,360.04
  5. Step 5: Solve for x
    x = 325,444,360.04/27,591.60
  6. Step 6: Final answer
    x = 11,795.05

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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.