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Finding the Fourth Proportional to 63,250.94, 87,277.84 and 40,620.58

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Solution

The fourth proportional to 63,250.94, 87,277.84 and 40,620.58 is: 56,050.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,250.94 : 87,277.84 = 40,620.58 : x
  2. Step 2: Convert to fraction form
    63,250.94/87,277.84 = 40,620.58/x
  3. Step 3: Cross multiply
    63,250.94x = 87,277.84 × 40,620.58
  4. Step 4: Simplify right side
    63,250.94x = 3,545,276,481.95
  5. Step 5: Solve for x
    x = 3,545,276,481.95/63,250.94
  6. Step 6: Final answer
    x = 56,050.97

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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.