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Finding the Fourth Proportional to 45,873.60, 68,822.68 and 36,548.78

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Solution

The fourth proportional to 45,873.60, 68,822.68 and 36,548.78 is: 54,832.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,873.60 : 68,822.68 = 36,548.78 : x
  2. Step 2: Convert to fraction form
    45,873.60/68,822.68 = 36,548.78/x
  3. Step 3: Cross multiply
    45,873.60x = 68,822.68 × 36,548.78
  4. Step 4: Simplify right side
    45,873.60x = 2,515,384,990.33
  5. Step 5: Solve for x
    x = 2,515,384,990.33/45,873.60
  6. Step 6: Final answer
    x = 54,832.95

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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.