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Finding the Fourth Proportional to 7,495.80, 11,241.78 and 2,229.62

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Solution

The fourth proportional to 7,495.80, 11,241.78 and 2,229.62 is: 3,343.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,495.80 : 11,241.78 = 2,229.62 : x
  2. Step 2: Convert to fraction form
    7,495.80/11,241.78 = 2,229.62/x
  3. Step 3: Cross multiply
    7,495.80x = 11,241.78 × 2,229.62
  4. Step 4: Simplify right side
    7,495.80x = 25,064,931.20
  5. Step 5: Solve for x
    x = 25,064,931.20/7,495.80
  6. Step 6: Final answer
    x = 3,343.87

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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.