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Finding the Fourth Proportional to 2,872.38, 4,308.59 and 1,141.01

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Solution

The fourth proportional to 2,872.38, 4,308.59 and 1,141.01 is: 1,711.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.38 : 4,308.59 = 1,141.01 : x
  2. Step 2: Convert to fraction form
    2,872.38/4,308.59 = 1,141.01/x
  3. Step 3: Cross multiply
    2,872.38x = 4,308.59 × 1,141.01
  4. Step 4: Simplify right side
    2,872.38x = 4,916,117.03
  5. Step 5: Solve for x
    x = 4,916,117.03/2,872.38
  6. Step 6: Final answer
    x = 1,711.51

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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.