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Finding the Fourth Proportional to 33,387.45, 50,077.94 and 8,763.45

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Solution

The fourth proportional to 33,387.45, 50,077.94 and 8,763.45 is: 13,144.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,387.45 : 50,077.94 = 8,763.45 : x
  2. Step 2: Convert to fraction form
    33,387.45/50,077.94 = 8,763.45/x
  3. Step 3: Cross multiply
    33,387.45x = 50,077.94 × 8,763.45
  4. Step 4: Simplify right side
    33,387.45x = 438,855,479.48
  5. Step 5: Solve for x
    x = 438,855,479.48/33,387.45
  6. Step 6: Final answer
    x = 13,144.32

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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.