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Finding the Fourth Proportional to 1,706.73, 2,558.34 and 883.19

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Solution

The fourth proportional to 1,706.73, 2,558.34 and 883.19 is: 1,323.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.73 : 2,558.34 = 883.19 : x
  2. Step 2: Convert to fraction form
    1,706.73/2,558.34 = 883.19/x
  3. Step 3: Cross multiply
    1,706.73x = 2,558.34 × 883.19
  4. Step 4: Simplify right side
    1,706.73x = 2,259,487.51
  5. Step 5: Solve for x
    x = 2,259,487.51/1,706.73
  6. Step 6: Final answer
    x = 1,323.87

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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.