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Finding the Fourth Proportional to 1,707.62, 2,559.30 and 732.59

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Solution

The fourth proportional to 1,707.62, 2,559.30 and 732.59 is: 1,097.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.62 : 2,559.30 = 732.59 : x
  2. Step 2: Convert to fraction form
    1,707.62/2,559.30 = 732.59/x
  3. Step 3: Cross multiply
    1,707.62x = 2,559.30 × 732.59
  4. Step 4: Simplify right side
    1,707.62x = 1,874,917.59
  5. Step 5: Solve for x
    x = 1,874,917.59/1,707.62
  6. Step 6: Final answer
    x = 1,097.97

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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.