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Finding the Fourth Proportional to 15,961.62, 22,027.71 and 8,888.04

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Solution

The fourth proportional to 15,961.62, 22,027.71 and 8,888.04 is: 12,265.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.62 : 22,027.71 = 8,888.04 : x
  2. Step 2: Convert to fraction form
    15,961.62/22,027.71 = 8,888.04/x
  3. Step 3: Cross multiply
    15,961.62x = 22,027.71 × 8,888.04
  4. Step 4: Simplify right side
    15,961.62x = 195,783,057.45
  5. Step 5: Solve for x
    x = 195,783,057.45/15,961.62
  6. Step 6: Final answer
    x = 12,265.87

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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.