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Finding the Fourth Proportional to 2,348.12, 3,238.95 and 1,787.37

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Solution

The fourth proportional to 2,348.12, 3,238.95 and 1,787.37 is: 2,465.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.12 : 3,238.95 = 1,787.37 : x
  2. Step 2: Convert to fraction form
    2,348.12/3,238.95 = 1,787.37/x
  3. Step 3: Cross multiply
    2,348.12x = 3,238.95 × 1,787.37
  4. Step 4: Simplify right side
    2,348.12x = 5,789,196.62
  5. Step 5: Solve for x
    x = 5,789,196.62/2,348.12
  6. Step 6: Final answer
    x = 2,465.46

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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.