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Finding the Fourth Proportional to 1,706.17, 2,559.50 and 827.96

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Solution

The fourth proportional to 1,706.17, 2,559.50 and 827.96 is: 1,242.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.17 : 2,559.50 = 827.96 : x
  2. Step 2: Convert to fraction form
    1,706.17/2,559.50 = 827.96/x
  3. Step 3: Cross multiply
    1,706.17x = 2,559.50 × 827.96
  4. Step 4: Simplify right side
    1,706.17x = 2,119,163.62
  5. Step 5: Solve for x
    x = 2,119,163.62/1,706.17
  6. Step 6: Final answer
    x = 1,242.06

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Double scale
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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.