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Finding the Fourth Proportional to 3,706.80, 5,560.60 and 1,241.52

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Solution

The fourth proportional to 3,706.80, 5,560.60 and 1,241.52 is: 1,862.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.80 : 5,560.60 = 1,241.52 : x
  2. Step 2: Convert to fraction form
    3,706.80/5,560.60 = 1,241.52/x
  3. Step 3: Cross multiply
    3,706.80x = 5,560.60 × 1,241.52
  4. Step 4: Simplify right side
    3,706.80x = 6,903,596.11
  5. Step 5: Solve for x
    x = 6,903,596.11/3,706.80
  6. Step 6: Final answer
    x = 1,862.41

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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.