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Finding the Fourth Proportional to 33,765.20, 50,655.08 and 18,179.20

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Solution

The fourth proportional to 33,765.20, 50,655.08 and 18,179.20 is: 27,272.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,765.20 : 50,655.08 = 18,179.20 : x
  2. Step 2: Convert to fraction form
    33,765.20/50,655.08 = 18,179.20/x
  3. Step 3: Cross multiply
    33,765.20x = 50,655.08 × 18,179.20
  4. Step 4: Simplify right side
    33,765.20x = 920,868,830.34
  5. Step 5: Solve for x
    x = 920,868,830.34/33,765.20
  6. Step 6: Final answer
    x = 27,272.72

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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.