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Finding the Fourth Proportional to 3,708.87, 5,560.07 and 1,401.99

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Solution

The fourth proportional to 3,708.87, 5,560.07 and 1,401.99 is: 2,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.87 : 5,560.07 = 1,401.99 : x
  2. Step 2: Convert to fraction form
    3,708.87/5,560.07 = 1,401.99/x
  3. Step 3: Cross multiply
    3,708.87x = 5,560.07 × 1,401.99
  4. Step 4: Simplify right side
    3,708.87x = 7,795,155.53
  5. Step 5: Solve for x
    x = 7,795,155.53/3,708.87
  6. Step 6: Final answer
    x = 2,101.76

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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.