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Finding the Fourth Proportional to 8,900.81, 13,351.82 and 3,061.52

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Solution

The fourth proportional to 8,900.81, 13,351.82 and 3,061.52 is: 4,592.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.81 : 13,351.82 = 3,061.52 : x
  2. Step 2: Convert to fraction form
    8,900.81/13,351.82 = 3,061.52/x
  3. Step 3: Cross multiply
    8,900.81x = 13,351.82 × 3,061.52
  4. Step 4: Simplify right side
    8,900.81x = 40,876,781.90
  5. Step 5: Solve for x
    x = 40,876,781.90/8,900.81
  6. Step 6: Final answer
    x = 4,592.48

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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.