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Finding the Fourth Proportional to 6,600.68, 9,890.60 and 2,434.95

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Solution

The fourth proportional to 6,600.68, 9,890.60 and 2,434.95 is: 3,648.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.68 : 9,890.60 = 2,434.95 : x
  2. Step 2: Convert to fraction form
    6,600.68/9,890.60 = 2,434.95/x
  3. Step 3: Cross multiply
    6,600.68x = 9,890.60 × 2,434.95
  4. Step 4: Simplify right side
    6,600.68x = 24,083,104.30
  5. Step 5: Solve for x
    x = 24,083,104.30/6,600.68
  6. Step 6: Final answer
    x = 3,648.58

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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.