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Finding the Fourth Proportional to 22,015.30, 33,022.65 and 7,224.70

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Solution

The fourth proportional to 22,015.30, 33,022.65 and 7,224.70 is: 10,836.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.30 : 33,022.65 = 7,224.70 : x
  2. Step 2: Convert to fraction form
    22,015.30/33,022.65 = 7,224.70/x
  3. Step 3: Cross multiply
    22,015.30x = 33,022.65 × 7,224.70
  4. Step 4: Simplify right side
    22,015.30x = 238,578,739.46
  5. Step 5: Solve for x
    x = 238,578,739.46/22,015.30
  6. Step 6: Final answer
    x = 10,836.95

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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.