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Finding the Fourth Proportional to 63,670.48, 87,855.48 and 36,807.80

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Solution

The fourth proportional to 63,670.48, 87,855.48 and 36,807.80 is: 50,789.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,670.48 : 87,855.48 = 36,807.80 : x
  2. Step 2: Convert to fraction form
    63,670.48/87,855.48 = 36,807.80/x
  3. Step 3: Cross multiply
    63,670.48x = 87,855.48 × 36,807.80
  4. Step 4: Simplify right side
    63,670.48x = 3,233,766,936.74
  5. Step 5: Solve for x
    x = 3,233,766,936.74/63,670.48
  6. Step 6: Final answer
    x = 50,789.11

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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.