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Finding the Fourth Proportional to 8,902.41, 13,351.13 and 2,660.94

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Solution

The fourth proportional to 8,902.41, 13,351.13 and 2,660.94 is: 3,990.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.41 : 13,351.13 = 2,660.94 : x
  2. Step 2: Convert to fraction form
    8,902.41/13,351.13 = 2,660.94/x
  3. Step 3: Cross multiply
    8,902.41x = 13,351.13 × 2,660.94
  4. Step 4: Simplify right side
    8,902.41x = 35,526,552.54
  5. Step 5: Solve for x
    x = 35,526,552.54/8,902.41
  6. Step 6: Final answer
    x = 3,990.67

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1.5x scale

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.