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Finding the Fourth Proportional to 16,773.92, 23,146.02 and 9,219.02

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Solution

The fourth proportional to 16,773.92, 23,146.02 and 9,219.02 is: 12,721.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,773.92 : 23,146.02 = 9,219.02 : x
  2. Step 2: Convert to fraction form
    16,773.92/23,146.02 = 9,219.02/x
  3. Step 3: Cross multiply
    16,773.92x = 23,146.02 × 9,219.02
  4. Step 4: Simplify right side
    16,773.92x = 213,383,505.57
  5. Step 5: Solve for x
    x = 213,383,505.57/16,773.92
  6. Step 6: Final answer
    x = 12,721.15

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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.