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Finding the Fourth Proportional to 2,885.44, 4,324.92 and 1,242.76

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Solution

The fourth proportional to 2,885.44, 4,324.92 and 1,242.76 is: 1,862.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.44 : 4,324.92 = 1,242.76 : x
  2. Step 2: Convert to fraction form
    2,885.44/4,324.92 = 1,242.76/x
  3. Step 3: Cross multiply
    2,885.44x = 4,324.92 × 1,242.76
  4. Step 4: Simplify right side
    2,885.44x = 5,374,837.58
  5. Step 5: Solve for x
    x = 5,374,837.58/2,885.44
  6. Step 6: Final answer
    x = 1,862.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.