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Finding the Fourth Proportional to 8,682, 13,017.52 and 7,366.22

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Solution

The fourth proportional to 8,682, 13,017.52 and 7,366.22 is: 11,044.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682 : 13,017.52 = 7,366.22 : x
  2. Step 2: Convert to fraction form
    8,682/13,017.52 = 7,366.22/x
  3. Step 3: Cross multiply
    8,682x = 13,017.52 × 7,366.22
  4. Step 4: Simplify right side
    8,682x = 95,889,916.17
  5. Step 5: Solve for x
    x = 95,889,916.17/8,682
  6. Step 6: Final answer
    x = 11,044.68

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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.