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Finding the Fourth Proportional to 33,840.72, 50,760.72 and 13,049.64

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Solution

The fourth proportional to 33,840.72, 50,760.72 and 13,049.64 is: 19,574.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,840.72 : 50,760.72 = 13,049.64 : x
  2. Step 2: Convert to fraction form
    33,840.72/50,760.72 = 13,049.64/x
  3. Step 3: Cross multiply
    33,840.72x = 50,760.72 × 13,049.64
  4. Step 4: Simplify right side
    33,840.72x = 662,409,122.14
  5. Step 5: Solve for x
    x = 662,409,122.14/33,840.72
  6. Step 6: Final answer
    x = 19,574.32

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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.