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Finding the Fourth Proportional to 2,744.51, 3,787.43 and 1,565.55

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Solution

The fourth proportional to 2,744.51, 3,787.43 and 1,565.55 is: 2,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.51 : 3,787.43 = 1,565.55 : x
  2. Step 2: Convert to fraction form
    2,744.51/3,787.43 = 1,565.55/x
  3. Step 3: Cross multiply
    2,744.51x = 3,787.43 × 1,565.55
  4. Step 4: Simplify right side
    2,744.51x = 5,929,411.04
  5. Step 5: Solve for x
    x = 5,929,411.04/2,744.51
  6. Step 6: Final answer
    x = 2,160.46

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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.