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Finding the Fourth Proportional to 5,324.67, 7,986.94 and 2,400.91

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Solution

The fourth proportional to 5,324.67, 7,986.94 and 2,400.91 is: 3,601.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.67 : 7,986.94 = 2,400.91 : x
  2. Step 2: Convert to fraction form
    5,324.67/7,986.94 = 2,400.91/x
  3. Step 3: Cross multiply
    5,324.67x = 7,986.94 × 2,400.91
  4. Step 4: Simplify right side
    5,324.67x = 19,175,898.15
  5. Step 5: Solve for x
    x = 19,175,898.15/5,324.67
  6. Step 6: Final answer
    x = 3,601.33

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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.