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Finding the Fourth Proportional to 7,325.52, 10,108.80 and 4,182

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Solution

The fourth proportional to 7,325.52, 10,108.80 and 4,182 is: 5,770.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.52 : 10,108.80 = 4,182 : x
  2. Step 2: Convert to fraction form
    7,325.52/10,108.80 = 4,182/x
  3. Step 3: Cross multiply
    7,325.52x = 10,108.80 × 4,182
  4. Step 4: Simplify right side
    7,325.52x = 42,275,001.60
  5. Step 5: Solve for x
    x = 42,275,001.60/7,325.52
  6. Step 6: Final answer
    x = 5,770.92

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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.