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Finding the Fourth Proportional to 7,279.59, 10,918.17 and 2,084.25

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Solution

The fourth proportional to 7,279.59, 10,918.17 and 2,084.25 is: 3,126.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.59 : 10,918.17 = 2,084.25 : x
  2. Step 2: Convert to fraction form
    7,279.59/10,918.17 = 2,084.25/x
  3. Step 3: Cross multiply
    7,279.59x = 10,918.17 × 2,084.25
  4. Step 4: Simplify right side
    7,279.59x = 22,756,195.82
  5. Step 5: Solve for x
    x = 22,756,195.82/7,279.59
  6. Step 6: Final answer
    x = 3,126.03

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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.