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Finding the Fourth Proportional to 63,764.37, 88,018.52 and 54,775.80

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Solution

The fourth proportional to 63,764.37, 88,018.52 and 54,775.80 is: 75,610.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,764.37 : 88,018.52 = 54,775.80 : x
  2. Step 2: Convert to fraction form
    63,764.37/88,018.52 = 54,775.80/x
  3. Step 3: Cross multiply
    63,764.37x = 88,018.52 × 54,775.80
  4. Step 4: Simplify right side
    63,764.37x = 4,821,284,573.94
  5. Step 5: Solve for x
    x = 4,821,284,573.94/63,764.37
  6. Step 6: Final answer
    x = 75,610.95

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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.