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Finding the Fourth Proportional to 33,885.47, 50,758.95 and 15,847.89

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Solution

The fourth proportional to 33,885.47, 50,758.95 and 15,847.89 is: 23,739.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,885.47 : 50,758.95 = 15,847.89 : x
  2. Step 2: Convert to fraction form
    33,885.47/50,758.95 = 15,847.89/x
  3. Step 3: Cross multiply
    33,885.47x = 50,758.95 × 15,847.89
  4. Step 4: Simplify right side
    33,885.47x = 804,422,125.20
  5. Step 5: Solve for x
    x = 804,422,125.20/33,885.47
  6. Step 6: Final answer
    x = 23,739.44

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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.