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Finding the Fourth Proportional to 7,279.98, 10,918.60 and 2,349.66

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Solution

The fourth proportional to 7,279.98, 10,918.60 and 2,349.66 is: 3,524.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.98 : 10,918.60 = 2,349.66 : x
  2. Step 2: Convert to fraction form
    7,279.98/10,918.60 = 2,349.66/x
  3. Step 3: Cross multiply
    7,279.98x = 10,918.60 × 2,349.66
  4. Step 4: Simplify right side
    7,279.98x = 25,654,971.33
  5. Step 5: Solve for x
    x = 25,654,971.33/7,279.98
  6. Step 6: Final answer
    x = 3,524.05

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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.