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Finding the Fourth Proportional to 2,387.33, 3,581.90 and 927.51

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Solution

The fourth proportional to 2,387.33, 3,581.90 and 927.51 is: 1,391.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.33 : 3,581.90 = 927.51 : x
  2. Step 2: Convert to fraction form
    2,387.33/3,581.90 = 927.51/x
  3. Step 3: Cross multiply
    2,387.33x = 3,581.90 × 927.51
  4. Step 4: Simplify right side
    2,387.33x = 3,322,248.07
  5. Step 5: Solve for x
    x = 3,322,248.07/2,387.33
  6. Step 6: Final answer
    x = 1,391.62

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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.