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Finding the Fourth Proportional to 1,744.68, 2,617.53 and 704.15

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Solution

The fourth proportional to 1,744.68, 2,617.53 and 704.15 is: 1,056.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744.68 : 2,617.53 = 704.15 : x
  2. Step 2: Convert to fraction form
    1,744.68/2,617.53 = 704.15/x
  3. Step 3: Cross multiply
    1,744.68x = 2,617.53 × 704.15
  4. Step 4: Simplify right side
    1,744.68x = 1,843,117.14
  5. Step 5: Solve for x
    x = 1,843,117.14/1,744.68
  6. Step 6: Final answer
    x = 1,056.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.