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Finding the Fourth Proportional to 2,314.04, 3,471.30 and 775.04

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Solution

The fourth proportional to 2,314.04, 3,471.30 and 775.04 is: 1,162.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.04 : 3,471.30 = 775.04 : x
  2. Step 2: Convert to fraction form
    2,314.04/3,471.30 = 775.04/x
  3. Step 3: Cross multiply
    2,314.04x = 3,471.30 × 775.04
  4. Step 4: Simplify right side
    2,314.04x = 2,690,396.35
  5. Step 5: Solve for x
    x = 2,690,396.35/2,314.04
  6. Step 6: Final answer
    x = 1,162.64

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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.