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Finding the Fourth Proportional to 3,706.88, 5,558.88 and 1,974.56

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Solution

The fourth proportional to 3,706.88, 5,558.88 and 1,974.56 is: 2,961.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.88 : 5,558.88 = 1,974.56 : x
  2. Step 2: Convert to fraction form
    3,706.88/5,558.88 = 1,974.56/x
  3. Step 3: Cross multiply
    3,706.88x = 5,558.88 × 1,974.56
  4. Step 4: Simplify right side
    3,706.88x = 10,976,342.09
  5. Step 5: Solve for x
    x = 10,976,342.09/3,706.88
  6. Step 6: Final answer
    x = 2,961.07

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1.5x scale

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.