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Finding the Fourth Proportional to 33,057.65, 45,619.43 and 17,950.21

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Solution

The fourth proportional to 33,057.65, 45,619.43 and 17,950.21 is: 24,771.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,057.65 : 45,619.43 = 17,950.21 : x
  2. Step 2: Convert to fraction form
    33,057.65/45,619.43 = 17,950.21/x
  3. Step 3: Cross multiply
    33,057.65x = 45,619.43 × 17,950.21
  4. Step 4: Simplify right side
    33,057.65x = 818,878,144.78
  5. Step 5: Solve for x
    x = 818,878,144.78/33,057.65
  6. Step 6: Final answer
    x = 24,771.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.