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Finding the Fourth Proportional to 8,463.52, 12,696.39 and 2,915.37

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Solution

The fourth proportional to 8,463.52, 12,696.39 and 2,915.37 is: 4,373.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.52 : 12,696.39 = 2,915.37 : x
  2. Step 2: Convert to fraction form
    8,463.52/12,696.39 = 2,915.37/x
  3. Step 3: Cross multiply
    8,463.52x = 12,696.39 × 2,915.37
  4. Step 4: Simplify right side
    8,463.52x = 37,014,717.10
  5. Step 5: Solve for x
    x = 37,014,717.10/8,463.52
  6. Step 6: Final answer
    x = 4,373.44

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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.