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Finding the Fourth Proportional to 7,324.92, 10,984.14 and 2,643.12

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Solution

The fourth proportional to 7,324.92, 10,984.14 and 2,643.12 is: 3,963.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.92 : 10,984.14 = 2,643.12 : x
  2. Step 2: Convert to fraction form
    7,324.92/10,984.14 = 2,643.12/x
  3. Step 3: Cross multiply
    7,324.92x = 10,984.14 × 2,643.12
  4. Step 4: Simplify right side
    7,324.92x = 29,032,400.12
  5. Step 5: Solve for x
    x = 29,032,400.12/7,324.92
  6. Step 6: Final answer
    x = 3,963.51

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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.