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Finding the Fourth Proportional to 22,286.75, 33,423.06 and 7,290.41

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Solution

The fourth proportional to 22,286.75, 33,423.06 and 7,290.41 is: 10,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,286.75 : 33,423.06 = 7,290.41 : x
  2. Step 2: Convert to fraction form
    22,286.75/33,423.06 = 7,290.41/x
  3. Step 3: Cross multiply
    22,286.75x = 33,423.06 × 7,290.41
  4. Step 4: Simplify right side
    22,286.75x = 243,667,643.74
  5. Step 5: Solve for x
    x = 243,667,643.74/22,286.75
  6. Step 6: Final answer
    x = 10,933.30

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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.