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Finding the Fourth Proportional to 33,150.64, 49,728.24 and 10,979.64

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Solution

The fourth proportional to 33,150.64, 49,728.24 and 10,979.64 is: 16,470.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,150.64 : 49,728.24 = 10,979.64 : x
  2. Step 2: Convert to fraction form
    33,150.64/49,728.24 = 10,979.64/x
  3. Step 3: Cross multiply
    33,150.64x = 49,728.24 × 10,979.64
  4. Step 4: Simplify right side
    33,150.64x = 545,998,173.03
  5. Step 5: Solve for x
    x = 545,998,173.03/33,150.64
  6. Step 6: Final answer
    x = 16,470.22

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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.