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Finding the Fourth Proportional to 63,687.80, 95,633.70 and 50,648.60

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Solution

The fourth proportional to 63,687.80, 95,633.70 and 50,648.60 is: 76,054.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,687.80 : 95,633.70 = 50,648.60 : x
  2. Step 2: Convert to fraction form
    63,687.80/95,633.70 = 50,648.60/x
  3. Step 3: Cross multiply
    63,687.80x = 95,633.70 × 50,648.60
  4. Step 4: Simplify right side
    63,687.80x = 4,843,713,017.82
  5. Step 5: Solve for x
    x = 4,843,713,017.82/63,687.80
  6. Step 6: Final answer
    x = 76,054.02

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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.