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Finding the Fourth Proportional to 7,642.03, 11,458.60 and 2,375.62

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Solution

The fourth proportional to 7,642.03, 11,458.60 and 2,375.62 is: 3,562.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.03 : 11,458.60 = 2,375.62 : x
  2. Step 2: Convert to fraction form
    7,642.03/11,458.60 = 2,375.62/x
  3. Step 3: Cross multiply
    7,642.03x = 11,458.60 × 2,375.62
  4. Step 4: Simplify right side
    7,642.03x = 27,221,279.33
  5. Step 5: Solve for x
    x = 27,221,279.33/7,642.03
  6. Step 6: Final answer
    x = 3,562.05

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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.