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Finding the Fourth Proportional to 49,661.20, 74,502.60 and 16,375.60

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Solution

The fourth proportional to 49,661.20, 74,502.60 and 16,375.60 is: 24,566.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,661.20 : 74,502.60 = 16,375.60 : x
  2. Step 2: Convert to fraction form
    49,661.20/74,502.60 = 16,375.60/x
  3. Step 3: Cross multiply
    49,661.20x = 74,502.60 × 16,375.60
  4. Step 4: Simplify right side
    49,661.20x = 1,220,024,776.56
  5. Step 5: Solve for x
    x = 1,220,024,776.56/49,661.20
  6. Step 6: Final answer
    x = 24,566.96

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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.