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Finding the Fourth Proportional to 49,937.67, 74,906.79 and 16,657.64

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Solution

The fourth proportional to 49,937.67, 74,906.79 and 16,657.64 is: 24,986.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,937.67 : 74,906.79 = 16,657.64 : x
  2. Step 2: Convert to fraction form
    49,937.67/74,906.79 = 16,657.64/x
  3. Step 3: Cross multiply
    49,937.67x = 74,906.79 × 16,657.64
  4. Step 4: Simplify right side
    49,937.67x = 1,247,769,966.84
  5. Step 5: Solve for x
    x = 1,247,769,966.84/49,937.67
  6. Step 6: Final answer
    x = 24,986.55

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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.