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Finding the Fourth Proportional to 22,419.16, 33,620.86 and 6,619.97

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Solution

The fourth proportional to 22,419.16, 33,620.86 and 6,619.97 is: 9,927.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,419.16 : 33,620.86 = 6,619.97 : x
  2. Step 2: Convert to fraction form
    22,419.16/33,620.86 = 6,619.97/x
  3. Step 3: Cross multiply
    22,419.16x = 33,620.86 × 6,619.97
  4. Step 4: Simplify right side
    22,419.16x = 222,569,084.57
  5. Step 5: Solve for x
    x = 222,569,084.57/22,419.16
  6. Step 6: Final answer
    x = 9,927.63

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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.