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Finding the Fourth Proportional to 63,087.66, 87,051.11 and 36,226.44

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Solution

The fourth proportional to 63,087.66, 87,051.11 and 36,226.44 is: 49,986.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,087.66 : 87,051.11 = 36,226.44 : x
  2. Step 2: Convert to fraction form
    63,087.66/87,051.11 = 36,226.44/x
  3. Step 3: Cross multiply
    63,087.66x = 87,051.11 × 36,226.44
  4. Step 4: Simplify right side
    63,087.66x = 3,153,551,632.22
  5. Step 5: Solve for x
    x = 3,153,551,632.22/63,087.66
  6. Step 6: Final answer
    x = 49,986.82

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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.