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Finding the Fourth Proportional to 12,182.91, 16,812.42 and 6,593.91

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Solution

The fourth proportional to 12,182.91, 16,812.42 and 6,593.91 is: 9,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.91 : 16,812.42 = 6,593.91 : x
  2. Step 2: Convert to fraction form
    12,182.91/16,812.42 = 6,593.91/x
  3. Step 3: Cross multiply
    12,182.91x = 16,812.42 × 6,593.91
  4. Step 4: Simplify right side
    12,182.91x = 110,859,609.09
  5. Step 5: Solve for x
    x = 110,859,609.09/12,182.91
  6. Step 6: Final answer
    x = 9,099.60

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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.