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Finding the Fourth Proportional to 49,910.94, 74,880.69 and 16,652.76

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Solution

The fourth proportional to 49,910.94, 74,880.69 and 16,652.76 is: 24,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,910.94 : 74,880.69 = 16,652.76 : x
  2. Step 2: Convert to fraction form
    49,910.94/74,880.69 = 16,652.76/x
  3. Step 3: Cross multiply
    49,910.94x = 74,880.69 × 16,652.76
  4. Step 4: Simplify right side
    49,910.94x = 1,246,970,159.20
  5. Step 5: Solve for x
    x = 1,246,970,159.20/49,910.94
  6. Step 6: Final answer
    x = 24,983.90

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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.