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Finding the Fourth Proportional to 7,398.39, 10,189.04 and 7,375.33

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Solution

The fourth proportional to 7,398.39, 10,189.04 and 7,375.33 is: 10,157.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.39 : 10,189.04 = 7,375.33 : x
  2. Step 2: Convert to fraction form
    7,398.39/10,189.04 = 7,375.33/x
  3. Step 3: Cross multiply
    7,398.39x = 10,189.04 × 7,375.33
  4. Step 4: Simplify right side
    7,398.39x = 75,147,508.24
  5. Step 5: Solve for x
    x = 75,147,508.24/7,398.39
  6. Step 6: Final answer
    x = 10,157.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.