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Finding the Fourth Proportional to 2,464.75, 3,697.11 and 709.80

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Solution

The fourth proportional to 2,464.75, 3,697.11 and 709.80 is: 1,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,464.75 : 3,697.11 = 709.80 : x
  2. Step 2: Convert to fraction form
    2,464.75/3,697.11 = 709.80/x
  3. Step 3: Cross multiply
    2,464.75x = 3,697.11 × 709.80
  4. Step 4: Simplify right side
    2,464.75x = 2,624,208.68
  5. Step 5: Solve for x
    x = 2,624,208.68/2,464.75
  6. Step 6: Final answer
    x = 1,064.70

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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.