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Finding the Fourth Proportional to 12,562.77, 18,844.16 and 3,797.22

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Solution

The fourth proportional to 12,562.77, 18,844.16 and 3,797.22 is: 5,695.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.77 : 18,844.16 = 3,797.22 : x
  2. Step 2: Convert to fraction form
    12,562.77/18,844.16 = 3,797.22/x
  3. Step 3: Cross multiply
    12,562.77x = 18,844.16 × 3,797.22
  4. Step 4: Simplify right side
    12,562.77x = 71,555,402.25
  5. Step 5: Solve for x
    x = 71,555,402.25/12,562.77
  6. Step 6: Final answer
    x = 5,695.83

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Similar ratio
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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.