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Finding the Fourth Proportional to 6,124.52, 9,186.80 and 3,388.52

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Solution

The fourth proportional to 6,124.52, 9,186.80 and 3,388.52 is: 5,082.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,124.52 : 9,186.80 = 3,388.52 : x
  2. Step 2: Convert to fraction form
    6,124.52/9,186.80 = 3,388.52/x
  3. Step 3: Cross multiply
    6,124.52x = 9,186.80 × 3,388.52
  4. Step 4: Simplify right side
    6,124.52x = 31,129,655.54
  5. Step 5: Solve for x
    x = 31,129,655.54/6,124.52
  6. Step 6: Final answer
    x = 5,082.79

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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.