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Finding the Fourth Proportional to 12,198.53, 16,833.98 and 6,609.53

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Solution

The fourth proportional to 12,198.53, 16,833.98 and 6,609.53 is: 9,121.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.53 : 16,833.98 = 6,609.53 : x
  2. Step 2: Convert to fraction form
    12,198.53/16,833.98 = 6,609.53/x
  3. Step 3: Cross multiply
    12,198.53x = 16,833.98 × 6,609.53
  4. Step 4: Simplify right side
    12,198.53x = 111,264,695.83
  5. Step 5: Solve for x
    x = 111,264,695.83/12,198.53
  6. Step 6: Final answer
    x = 9,121.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.