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Finding the Fourth Proportional to 2,317.67, 3,476.04 and 757.72

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Solution

The fourth proportional to 2,317.67, 3,476.04 and 757.72 is: 1,136.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.67 : 3,476.04 = 757.72 : x
  2. Step 2: Convert to fraction form
    2,317.67/3,476.04 = 757.72/x
  3. Step 3: Cross multiply
    2,317.67x = 3,476.04 × 757.72
  4. Step 4: Simplify right side
    2,317.67x = 2,633,868.66
  5. Step 5: Solve for x
    x = 2,633,868.66/2,317.67
  6. Step 6: Final answer
    x = 1,136.43

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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.