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Finding the Fourth Proportional to 3,706.91, 5,560.77 and 1,241.90

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Solution

The fourth proportional to 3,706.91, 5,560.77 and 1,241.90 is: 1,862.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.91 : 5,560.77 = 1,241.90 : x
  2. Step 2: Convert to fraction form
    3,706.91/5,560.77 = 1,241.90/x
  3. Step 3: Cross multiply
    3,706.91x = 5,560.77 × 1,241.90
  4. Step 4: Simplify right side
    3,706.91x = 6,905,892.46
  5. Step 5: Solve for x
    x = 6,905,892.46/3,706.91
  6. Step 6: Final answer
    x = 1,862.98

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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.