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Finding the Fourth Proportional to 33,187.92, 49,781.88 and 9,816.72

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Solution

The fourth proportional to 33,187.92, 49,781.88 and 9,816.72 is: 14,725.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,187.92 : 49,781.88 = 9,816.72 : x
  2. Step 2: Convert to fraction form
    33,187.92/49,781.88 = 9,816.72/x
  3. Step 3: Cross multiply
    33,187.92x = 49,781.88 × 9,816.72
  4. Step 4: Simplify right side
    33,187.92x = 488,694,777.03
  5. Step 5: Solve for x
    x = 488,694,777.03/33,187.92
  6. Step 6: Final answer
    x = 14,725.08

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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.