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Finding the Fourth Proportional to 12,608.62, 18,869.03 and 10,360.46

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Solution

The fourth proportional to 12,608.62, 18,869.03 and 10,360.46 is: 15,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608.62 : 18,869.03 = 10,360.46 : x
  2. Step 2: Convert to fraction form
    12,608.62/18,869.03 = 10,360.46/x
  3. Step 3: Cross multiply
    12,608.62x = 18,869.03 × 10,360.46
  4. Step 4: Simplify right side
    12,608.62x = 195,491,729.50
  5. Step 5: Solve for x
    x = 195,491,729.50/12,608.62
  6. Step 6: Final answer
    x = 15,504.60

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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.