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Finding the Fourth Proportional to 57,745.88, 86,603.52 and 22,685.84

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Solution

The fourth proportional to 57,745.88, 86,603.52 and 22,685.84 is: 34,022.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,745.88 : 86,603.52 = 22,685.84 : x
  2. Step 2: Convert to fraction form
    57,745.88/86,603.52 = 22,685.84/x
  3. Step 3: Cross multiply
    57,745.88x = 86,603.52 × 22,685.84
  4. Step 4: Simplify right side
    57,745.88x = 1,964,673,598.16
  5. Step 5: Solve for x
    x = 1,964,673,598.16/57,745.88
  6. Step 6: Final answer
    x = 34,022.75

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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.