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Finding the Fourth Proportional to 49,965.04, 74,940 and 18,793

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Solution

The fourth proportional to 49,965.04, 74,940 and 18,793 is: 28,186.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,965.04 : 74,940 = 18,793 : x
  2. Step 2: Convert to fraction form
    49,965.04/74,940 = 18,793/x
  3. Step 3: Cross multiply
    49,965.04x = 74,940 × 18,793
  4. Step 4: Simplify right side
    49,965.04x = 1,408,347,420
  5. Step 5: Solve for x
    x = 1,408,347,420/49,965.04
  6. Step 6: Final answer
    x = 28,186.66

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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.