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Finding the Fourth Proportional to 2,655.33, 3,983.00 and 1,192.77

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Solution

The fourth proportional to 2,655.33, 3,983.00 and 1,192.77 is: 1,789.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.33 : 3,983.00 = 1,192.77 : x
  2. Step 2: Convert to fraction form
    2,655.33/3,983.00 = 1,192.77/x
  3. Step 3: Cross multiply
    2,655.33x = 3,983.00 × 1,192.77
  4. Step 4: Simplify right side
    2,655.33x = 4,750,796.95
  5. Step 5: Solve for x
    x = 4,750,796.95/2,655.33
  6. Step 6: Final answer
    x = 1,789.16

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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.