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Finding the Fourth Proportional to 63,519.20, 87,661.88 and 35,234

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Solution

The fourth proportional to 63,519.20, 87,661.88 and 35,234 is: 48,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,519.20 : 87,661.88 = 35,234 : x
  2. Step 2: Convert to fraction form
    63,519.20/87,661.88 = 35,234/x
  3. Step 3: Cross multiply
    63,519.20x = 87,661.88 × 35,234
  4. Step 4: Simplify right side
    63,519.20x = 3,088,678,679.92
  5. Step 5: Solve for x
    x = 3,088,678,679.92/63,519.20
  6. Step 6: Final answer
    x = 48,625.91

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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.