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Finding the Fourth Proportional to 12,452.98, 18,684.90 and 6,608.14

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Solution

The fourth proportional to 12,452.98, 18,684.90 and 6,608.14 is: 9,915.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.98 : 18,684.90 = 6,608.14 : x
  2. Step 2: Convert to fraction form
    12,452.98/18,684.90 = 6,608.14/x
  3. Step 3: Cross multiply
    12,452.98x = 18,684.90 × 6,608.14
  4. Step 4: Simplify right side
    12,452.98x = 123,472,435.09
  5. Step 5: Solve for x
    x = 123,472,435.09/12,452.98
  6. Step 6: Final answer
    x = 9,915.09

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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.