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Finding the Fourth Proportional to 33,266.96, 49,899.48 and 8,642.96

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Solution

The fourth proportional to 33,266.96, 49,899.48 and 8,642.96 is: 12,964.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,266.96 : 49,899.48 = 8,642.96 : x
  2. Step 2: Convert to fraction form
    33,266.96/49,899.48 = 8,642.96/x
  3. Step 3: Cross multiply
    33,266.96x = 49,899.48 × 8,642.96
  4. Step 4: Simplify right side
    33,266.96x = 431,279,209.66
  5. Step 5: Solve for x
    x = 431,279,209.66/33,266.96
  6. Step 6: Final answer
    x = 12,964.19

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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.