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Finding the Fourth Proportional to 2,807.13, 3,873.83 and 1,548.24

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Solution

The fourth proportional to 2,807.13, 3,873.83 and 1,548.24 is: 2,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.13 : 3,873.83 = 1,548.24 : x
  2. Step 2: Convert to fraction form
    2,807.13/3,873.83 = 1,548.24/x
  3. Step 3: Cross multiply
    2,807.13x = 3,873.83 × 1,548.24
  4. Step 4: Simplify right side
    2,807.13x = 5,997,610.82
  5. Step 5: Solve for x
    x = 5,997,610.82/2,807.13
  6. Step 6: Final answer
    x = 2,136.56

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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.