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Finding the Fourth Proportional to 4,452, 6,679.34 and 1,332.11

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Solution

The fourth proportional to 4,452, 6,679.34 and 1,332.11 is: 1,998.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,452 : 6,679.34 = 1,332.11 : x
  2. Step 2: Convert to fraction form
    4,452/6,679.34 = 1,332.11/x
  3. Step 3: Cross multiply
    4,452x = 6,679.34 × 1,332.11
  4. Step 4: Simplify right side
    4,452x = 8,897,615.61
  5. Step 5: Solve for x
    x = 8,897,615.61/4,452
  6. Step 6: Final answer
    x = 1,998.57

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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.