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Finding the Fourth Proportional to 33,837.98, 50,758.64 and 8,878.09

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Solution

The fourth proportional to 33,837.98, 50,758.64 and 8,878.09 is: 13,317.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,837.98 : 50,758.64 = 8,878.09 : x
  2. Step 2: Convert to fraction form
    33,837.98/50,758.64 = 8,878.09/x
  3. Step 3: Cross multiply
    33,837.98x = 50,758.64 × 8,878.09
  4. Step 4: Simplify right side
    33,837.98x = 450,639,774.20
  5. Step 5: Solve for x
    x = 450,639,774.20/33,837.98
  6. Step 6: Final answer
    x = 13,317.57

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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.