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Finding the Fourth Proportional to 48,494.87, 72,699.17 and 18,933.41

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Solution

The fourth proportional to 48,494.87, 72,699.17 and 18,933.41 is: 28,383.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,494.87 : 72,699.17 = 18,933.41 : x
  2. Step 2: Convert to fraction form
    48,494.87/72,699.17 = 18,933.41/x
  3. Step 3: Cross multiply
    48,494.87x = 72,699.17 × 18,933.41
  4. Step 4: Simplify right side
    48,494.87x = 1,376,442,734.11
  5. Step 5: Solve for x
    x = 1,376,442,734.11/48,494.87
  6. Step 6: Final answer
    x = 28,383.27

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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.