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Finding the Fourth Proportional to 22,108.92, 30,512.46 and 16,510.20

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Solution

The fourth proportional to 22,108.92, 30,512.46 and 16,510.20 is: 22,785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108.92 : 30,512.46 = 16,510.20 : x
  2. Step 2: Convert to fraction form
    22,108.92/30,512.46 = 16,510.20/x
  3. Step 3: Cross multiply
    22,108.92x = 30,512.46 × 16,510.20
  4. Step 4: Simplify right side
    22,108.92x = 503,766,817.09
  5. Step 5: Solve for x
    x = 503,766,817.09/22,108.92
  6. Step 6: Final answer
    x = 22,785.68

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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.