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Finding the Fourth Proportional to 8,993.01, 13,496.45 and 5,872.17

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Solution

The fourth proportional to 8,993.01, 13,496.45 and 5,872.17 is: 8,812.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.01 : 13,496.45 = 5,872.17 : x
  2. Step 2: Convert to fraction form
    8,993.01/13,496.45 = 5,872.17/x
  3. Step 3: Cross multiply
    8,993.01x = 13,496.45 × 5,872.17
  4. Step 4: Simplify right side
    8,993.01x = 79,253,419.44
  5. Step 5: Solve for x
    x = 79,253,419.44/8,993.01
  6. Step 6: Final answer
    x = 8,812.78

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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.