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Finding the Fourth Proportional to 12,560.71, 18,841.02 and 3,796.33

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Solution

The fourth proportional to 12,560.71, 18,841.02 and 3,796.33 is: 5,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.71 : 18,841.02 = 3,796.33 : x
  2. Step 2: Convert to fraction form
    12,560.71/18,841.02 = 3,796.33/x
  3. Step 3: Cross multiply
    12,560.71x = 18,841.02 × 3,796.33
  4. Step 4: Simplify right side
    12,560.71x = 71,526,729.46
  5. Step 5: Solve for x
    x = 71,526,729.46/12,560.71
  6. Step 6: Final answer
    x = 5,694.48

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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.