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Finding the Fourth Proportional to 22,456.10, 33,687.22 and 7,661.04

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Solution

The fourth proportional to 22,456.10, 33,687.22 and 7,661.04 is: 11,492.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,456.10 : 33,687.22 = 7,661.04 : x
  2. Step 2: Convert to fraction form
    22,456.10/33,687.22 = 7,661.04/x
  3. Step 3: Cross multiply
    22,456.10x = 33,687.22 × 7,661.04
  4. Step 4: Simplify right side
    22,456.10x = 258,079,198.28
  5. Step 5: Solve for x
    x = 258,079,198.28/22,456.10
  6. Step 6: Final answer
    x = 11,492.61

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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.