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Finding the Fourth Proportional to 48,855.56, 67,483.95 and 36,134.60

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Solution

The fourth proportional to 48,855.56, 67,483.95 and 36,134.60 is: 49,912.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,855.56 : 67,483.95 = 36,134.60 : x
  2. Step 2: Convert to fraction form
    48,855.56/67,483.95 = 36,134.60/x
  3. Step 3: Cross multiply
    48,855.56x = 67,483.95 × 36,134.60
  4. Step 4: Simplify right side
    48,855.56x = 2,438,505,539.67
  5. Step 5: Solve for x
    x = 2,438,505,539.67/48,855.56
  6. Step 6: Final answer
    x = 49,912.55

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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.