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Finding the Fourth Proportional to 22,459.62, 33,692.81 and 7,257.12

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Solution

The fourth proportional to 22,459.62, 33,692.81 and 7,257.12 is: 10,886.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,459.62 : 33,692.81 = 7,257.12 : x
  2. Step 2: Convert to fraction form
    22,459.62/33,692.81 = 7,257.12/x
  3. Step 3: Cross multiply
    22,459.62x = 33,692.81 × 7,257.12
  4. Step 4: Simplify right side
    22,459.62x = 244,512,765.31
  5. Step 5: Solve for x
    x = 244,512,765.31/22,459.62
  6. Step 6: Final answer
    x = 10,886.77

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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.