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Finding the Fourth Proportional to 64,872.40, 97,270.20 and 33,768.40

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Solution

The fourth proportional to 64,872.40, 97,270.20 and 33,768.40 is: 50,632.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,872.40 : 97,270.20 = 33,768.40 : x
  2. Step 2: Convert to fraction form
    64,872.40/97,270.20 = 33,768.40/x
  3. Step 3: Cross multiply
    64,872.40x = 97,270.20 × 33,768.40
  4. Step 4: Simplify right side
    64,872.40x = 3,284,659,021.68
  5. Step 5: Solve for x
    x = 3,284,659,021.68/64,872.40
  6. Step 6: Final answer
    x = 50,632.61

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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.