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Finding the Fourth Proportional to 6,610.74, 9,865.02 and 5,874.46

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Solution

The fourth proportional to 6,610.74, 9,865.02 and 5,874.46 is: 8,766.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.74 : 9,865.02 = 5,874.46 : x
  2. Step 2: Convert to fraction form
    6,610.74/9,865.02 = 5,874.46/x
  3. Step 3: Cross multiply
    6,610.74x = 9,865.02 × 5,874.46
  4. Step 4: Simplify right side
    6,610.74x = 57,951,665.39
  5. Step 5: Solve for x
    x = 57,951,665.39/6,610.74
  6. Step 6: Final answer
    x = 8,766.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.