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Finding the Fourth Proportional to 8,615.34, 12,922.97 and 2,375.37

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Solution

The fourth proportional to 8,615.34, 12,922.97 and 2,375.37 is: 3,563.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615.34 : 12,922.97 = 2,375.37 : x
  2. Step 2: Convert to fraction form
    8,615.34/12,922.97 = 2,375.37/x
  3. Step 3: Cross multiply
    8,615.34x = 12,922.97 × 2,375.37
  4. Step 4: Simplify right side
    8,615.34x = 30,696,823.37
  5. Step 5: Solve for x
    x = 30,696,823.37/8,615.34
  6. Step 6: Final answer
    x = 3,563.04

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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.