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Finding the Fourth Proportional to 3,040.88, 4,561.61 and 1,397.88

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Solution

The fourth proportional to 3,040.88, 4,561.61 and 1,397.88 is: 2,096.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.88 : 4,561.61 = 1,397.88 : x
  2. Step 2: Convert to fraction form
    3,040.88/4,561.61 = 1,397.88/x
  3. Step 3: Cross multiply
    3,040.88x = 4,561.61 × 1,397.88
  4. Step 4: Simplify right side
    3,040.88x = 6,376,576.40
  5. Step 5: Solve for x
    x = 6,376,576.40/3,040.88
  6. Step 6: Final answer
    x = 2,096.95

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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.