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Finding the Fourth Proportional to 2,406.80, 3,610.20 and 1,750.70

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Solution

The fourth proportional to 2,406.80, 3,610.20 and 1,750.70 is: 2,626.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.80 : 3,610.20 = 1,750.70 : x
  2. Step 2: Convert to fraction form
    2,406.80/3,610.20 = 1,750.70/x
  3. Step 3: Cross multiply
    2,406.80x = 3,610.20 × 1,750.70
  4. Step 4: Simplify right side
    2,406.80x = 6,320,377.14
  5. Step 5: Solve for x
    x = 6,320,377.14/2,406.80
  6. Step 6: Final answer
    x = 2,626.05

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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.