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Finding the Fourth Proportional to 1,706.56, 2,559.38 and 732.43

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Solution

The fourth proportional to 1,706.56, 2,559.38 and 732.43 is: 1,098.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.56 : 2,559.38 = 732.43 : x
  2. Step 2: Convert to fraction form
    1,706.56/2,559.38 = 732.43/x
  3. Step 3: Cross multiply
    1,706.56x = 2,559.38 × 732.43
  4. Step 4: Simplify right side
    1,706.56x = 1,874,570.80
  5. Step 5: Solve for x
    x = 1,874,570.80/1,706.56
  6. Step 6: Final answer
    x = 1,098.45

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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.