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Finding the Fourth Proportional to 60,865.08, 91,230.62 and 39,796.44

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Solution

The fourth proportional to 60,865.08, 91,230.62 and 39,796.44 is: 59,650.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,865.08 : 91,230.62 = 39,796.44 : x
  2. Step 2: Convert to fraction form
    60,865.08/91,230.62 = 39,796.44/x
  3. Step 3: Cross multiply
    60,865.08x = 91,230.62 × 39,796.44
  4. Step 4: Simplify right side
    60,865.08x = 3,630,653,894.99
  5. Step 5: Solve for x
    x = 3,630,653,894.99/60,865.08
  6. Step 6: Final answer
    x = 59,650.85

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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.