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Finding the Fourth Proportional to 1,995.01, 2,753.06 and 1,155.75

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Solution

The fourth proportional to 1,995.01, 2,753.06 and 1,155.75 is: 1,594.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.01 : 2,753.06 = 1,155.75 : x
  2. Step 2: Convert to fraction form
    1,995.01/2,753.06 = 1,155.75/x
  3. Step 3: Cross multiply
    1,995.01x = 2,753.06 × 1,155.75
  4. Step 4: Simplify right side
    1,995.01x = 3,181,849.10
  5. Step 5: Solve for x
    x = 3,181,849.10/1,995.01
  6. Step 6: Final answer
    x = 1,594.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.