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Finding the Fourth Proportional to 33,387.75, 50,019.05 and 16,728.28

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Solution

The fourth proportional to 33,387.75, 50,019.05 and 16,728.28 is: 25,061.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,387.75 : 50,019.05 = 16,728.28 : x
  2. Step 2: Convert to fraction form
    33,387.75/50,019.05 = 16,728.28/x
  3. Step 3: Cross multiply
    33,387.75x = 50,019.05 × 16,728.28
  4. Step 4: Simplify right side
    33,387.75x = 836,732,590.51
  5. Step 5: Solve for x
    x = 836,732,590.51/33,387.75
  6. Step 6: Final answer
    x = 25,061.07

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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.