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Finding the Fourth Proportional to 2,725.79, 3,761.73 and 1,547.24

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Solution

The fourth proportional to 2,725.79, 3,761.73 and 1,547.24 is: 2,135.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.79 : 3,761.73 = 1,547.24 : x
  2. Step 2: Convert to fraction form
    2,725.79/3,761.73 = 1,547.24/x
  3. Step 3: Cross multiply
    2,725.79x = 3,761.73 × 1,547.24
  4. Step 4: Simplify right side
    2,725.79x = 5,820,280.32
  5. Step 5: Solve for x
    x = 5,820,280.32/2,725.79
  6. Step 6: Final answer
    x = 2,135.27

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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.