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Finding the Fourth Proportional to 33,382.45, 50,070.43 and 8,758.45

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Solution

The fourth proportional to 33,382.45, 50,070.43 and 8,758.45 is: 13,136.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,382.45 : 50,070.43 = 8,758.45 : x
  2. Step 2: Convert to fraction form
    33,382.45/50,070.43 = 8,758.45/x
  3. Step 3: Cross multiply
    33,382.45x = 50,070.43 × 8,758.45
  4. Step 4: Simplify right side
    33,382.45x = 438,539,357.63
  5. Step 5: Solve for x
    x = 438,539,357.63/33,382.45
  6. Step 6: Final answer
    x = 13,136.82

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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.