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Finding the Fourth Proportional to 33,489.64, 50,247.42 and 15,961.24

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Solution

The fourth proportional to 33,489.64, 50,247.42 and 15,961.24 is: 23,948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,489.64 : 50,247.42 = 15,961.24 : x
  2. Step 2: Convert to fraction form
    33,489.64/50,247.42 = 15,961.24/x
  3. Step 3: Cross multiply
    33,489.64x = 50,247.42 × 15,961.24
  4. Step 4: Simplify right side
    33,489.64x = 802,011,130.00
  5. Step 5: Solve for x
    x = 802,011,130.00/33,489.64
  6. Step 6: Final answer
    x = 23,948.04

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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.