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Finding the Fourth Proportional to 33,398.90, 50,098.46 and 8,098.32

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Solution

The fourth proportional to 33,398.90, 50,098.46 and 8,098.32 is: 12,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,398.90 : 50,098.46 = 8,098.32 : x
  2. Step 2: Convert to fraction form
    33,398.90/50,098.46 = 8,098.32/x
  3. Step 3: Cross multiply
    33,398.90x = 50,098.46 × 8,098.32
  4. Step 4: Simplify right side
    33,398.90x = 405,713,320.10
  5. Step 5: Solve for x
    x = 405,713,320.10/33,398.90
  6. Step 6: Final answer
    x = 12,147.50

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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.