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Finding the Fourth Proportional to 2,773.81, 3,827.89 and 1,514.90

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Solution

The fourth proportional to 2,773.81, 3,827.89 and 1,514.90 is: 2,090.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.81 : 3,827.89 = 1,514.90 : x
  2. Step 2: Convert to fraction form
    2,773.81/3,827.89 = 1,514.90/x
  3. Step 3: Cross multiply
    2,773.81x = 3,827.89 × 1,514.90
  4. Step 4: Simplify right side
    2,773.81x = 5,798,882.02
  5. Step 5: Solve for x
    x = 5,798,882.02/2,773.81
  6. Step 6: Final answer
    x = 2,090.58

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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.