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Finding the Fourth Proportional to 16,212.38, 22,373.08 and 8,760.38

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Solution

The fourth proportional to 16,212.38, 22,373.08 and 8,760.38 is: 12,089.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,212.38 : 22,373.08 = 8,760.38 : x
  2. Step 2: Convert to fraction form
    16,212.38/22,373.08 = 8,760.38/x
  3. Step 3: Cross multiply
    16,212.38x = 22,373.08 × 8,760.38
  4. Step 4: Simplify right side
    16,212.38x = 195,996,548.80
  5. Step 5: Solve for x
    x = 195,996,548.80/16,212.38
  6. Step 6: Final answer
    x = 12,089.32

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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.