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Finding the Fourth Proportional to 15,993.25, 23,989.82 and 6,622.97

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Solution

The fourth proportional to 15,993.25, 23,989.82 and 6,622.97 is: 9,934.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993.25 : 23,989.82 = 6,622.97 : x
  2. Step 2: Convert to fraction form
    15,993.25/23,989.82 = 6,622.97/x
  3. Step 3: Cross multiply
    15,993.25x = 23,989.82 × 6,622.97
  4. Step 4: Simplify right side
    15,993.25x = 158,883,742.36
  5. Step 5: Solve for x
    x = 158,883,742.36/15,993.25
  6. Step 6: Final answer
    x = 9,934.43

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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.