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Finding the Fourth Proportional to 16,608.98, 23,079.08 and 16,399.39

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Solution

The fourth proportional to 16,608.98, 23,079.08 and 16,399.39 is: 22,787.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,608.98 : 23,079.08 = 16,399.39 : x
  2. Step 2: Convert to fraction form
    16,608.98/23,079.08 = 16,399.39/x
  3. Step 3: Cross multiply
    16,608.98x = 23,079.08 × 16,399.39
  4. Step 4: Simplify right side
    16,608.98x = 378,482,833.76
  5. Step 5: Solve for x
    x = 378,482,833.76/16,608.98
  6. Step 6: Final answer
    x = 22,787.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.