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Finding the Fourth Proportional to 8,993.26, 13,496.82 and 5,872.42

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Solution

The fourth proportional to 8,993.26, 13,496.82 and 5,872.42 is: 8,813.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.26 : 13,496.82 = 5,872.42 : x
  2. Step 2: Convert to fraction form
    8,993.26/13,496.82 = 5,872.42/x
  3. Step 3: Cross multiply
    8,993.26x = 13,496.82 × 5,872.42
  4. Step 4: Simplify right side
    8,993.26x = 79,258,995.70
  5. Step 5: Solve for x
    x = 79,258,995.70/8,993.26
  6. Step 6: Final answer
    x = 8,813.16

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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.