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Finding the Fourth Proportional to 5,872.48, 8,809.12 and 2,174.62

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Solution

The fourth proportional to 5,872.48, 8,809.12 and 2,174.62 is: 3,262.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.48 : 8,809.12 = 2,174.62 : x
  2. Step 2: Convert to fraction form
    5,872.48/8,809.12 = 2,174.62/x
  3. Step 3: Cross multiply
    5,872.48x = 8,809.12 × 2,174.62
  4. Step 4: Simplify right side
    5,872.48x = 19,156,488.53
  5. Step 5: Solve for x
    x = 19,156,488.53/5,872.48
  6. Step 6: Final answer
    x = 3,262.08

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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.