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Finding the Fourth Proportional to 63,231.84, 87,259.32 and 34,936.92

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Solution

The fourth proportional to 63,231.84, 87,259.32 and 34,936.92 is: 48,212.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,231.84 : 87,259.32 = 34,936.92 : x
  2. Step 2: Convert to fraction form
    63,231.84/87,259.32 = 34,936.92/x
  3. Step 3: Cross multiply
    63,231.84x = 87,259.32 × 34,936.92
  4. Step 4: Simplify right side
    63,231.84x = 3,048,571,882.09
  5. Step 5: Solve for x
    x = 3,048,571,882.09/63,231.84
  6. Step 6: Final answer
    x = 48,212.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.