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Finding the Fourth Proportional to 8,908.14, 13,354.89 and 5,201.22

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Solution

The fourth proportional to 8,908.14, 13,354.89 and 5,201.22 is: 7,797.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.14 : 13,354.89 = 5,201.22 : x
  2. Step 2: Convert to fraction form
    8,908.14/13,354.89 = 5,201.22/x
  3. Step 3: Cross multiply
    8,908.14x = 13,354.89 × 5,201.22
  4. Step 4: Simplify right side
    8,908.14x = 69,461,720.97
  5. Step 5: Solve for x
    x = 69,461,720.97/8,908.14
  6. Step 6: Final answer
    x = 7,797.56

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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.