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Finding the Fourth Proportional to 8,963.54, 13,449.01 and 3,963.29

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Solution

The fourth proportional to 8,963.54, 13,449.01 and 3,963.29 is: 5,946.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.54 : 13,449.01 = 3,963.29 : x
  2. Step 2: Convert to fraction form
    8,963.54/13,449.01 = 3,963.29/x
  3. Step 3: Cross multiply
    8,963.54x = 13,449.01 × 3,963.29
  4. Step 4: Simplify right side
    8,963.54x = 53,302,249.69
  5. Step 5: Solve for x
    x = 53,302,249.69/8,963.54
  6. Step 6: Final answer
    x = 5,946.56

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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.