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Finding the Fourth Proportional to 33,098.88, 49,648.56 and 8,474.88

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Solution

The fourth proportional to 33,098.88, 49,648.56 and 8,474.88 is: 12,712.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,098.88 : 49,648.56 = 8,474.88 : x
  2. Step 2: Convert to fraction form
    33,098.88/49,648.56 = 8,474.88/x
  3. Step 3: Cross multiply
    33,098.88x = 49,648.56 × 8,474.88
  4. Step 4: Simplify right side
    33,098.88x = 420,765,588.17
  5. Step 5: Solve for x
    x = 420,765,588.17/33,098.88
  6. Step 6: Final answer
    x = 12,712.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.