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Finding the Fourth Proportional to 5,253.42, 7,882.02 and 2,331.48

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Solution

The fourth proportional to 5,253.42, 7,882.02 and 2,331.48 is: 3,498.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.42 : 7,882.02 = 2,331.48 : x
  2. Step 2: Convert to fraction form
    5,253.42/7,882.02 = 2,331.48/x
  3. Step 3: Cross multiply
    5,253.42x = 7,882.02 × 2,331.48
  4. Step 4: Simplify right side
    5,253.42x = 18,376,771.99
  5. Step 5: Solve for x
    x = 18,376,771.99/5,253.42
  6. Step 6: Final answer
    x = 3,498.06

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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.