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Finding the Fourth Proportional to 8,694.67, 13,044.03 and 3,146.98

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Solution

The fourth proportional to 8,694.67, 13,044.03 and 3,146.98 is: 4,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.67 : 13,044.03 = 3,146.98 : x
  2. Step 2: Convert to fraction form
    8,694.67/13,044.03 = 3,146.98/x
  3. Step 3: Cross multiply
    8,694.67x = 13,044.03 × 3,146.98
  4. Step 4: Simplify right side
    8,694.67x = 41,049,301.53
  5. Step 5: Solve for x
    x = 41,049,301.53/8,694.67
  6. Step 6: Final answer
    x = 4,721.20

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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.