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Finding the Fourth Proportional to 33,165.20, 49,618.20 and 21,501.20

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Solution

The fourth proportional to 33,165.20, 49,618.20 and 21,501.20 is: 32,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,165.20 : 49,618.20 = 21,501.20 : x
  2. Step 2: Convert to fraction form
    33,165.20/49,618.20 = 21,501.20/x
  3. Step 3: Cross multiply
    33,165.20x = 49,618.20 × 21,501.20
  4. Step 4: Simplify right side
    33,165.20x = 1,066,850,841.84
  5. Step 5: Solve for x
    x = 1,066,850,841.84/33,165.20
  6. Step 6: Final answer
    x = 32,167.78

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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.