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Finding the Fourth Proportional to 1,706.74, 2,560.04 and 705.97

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Solution

The fourth proportional to 1,706.74, 2,560.04 and 705.97 is: 1,058.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.74 : 2,560.04 = 705.97 : x
  2. Step 2: Convert to fraction form
    1,706.74/2,560.04 = 705.97/x
  3. Step 3: Cross multiply
    1,706.74x = 2,560.04 × 705.97
  4. Step 4: Simplify right side
    1,706.74x = 1,807,295.11
  5. Step 5: Solve for x
    x = 1,807,295.11/1,706.74
  6. Step 6: Final answer
    x = 1,058.91

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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.