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Finding the Fourth Proportional to 48,559.50, 72,821.62 and 16,960.70

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Solution

The fourth proportional to 48,559.50, 72,821.62 and 16,960.70 is: 25,434.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,559.50 : 72,821.62 = 16,960.70 : x
  2. Step 2: Convert to fraction form
    48,559.50/72,821.62 = 16,960.70/x
  3. Step 3: Cross multiply
    48,559.50x = 72,821.62 × 16,960.70
  4. Step 4: Simplify right side
    48,559.50x = 1,235,105,650.33
  5. Step 5: Solve for x
    x = 1,235,105,650.33/48,559.50
  6. Step 6: Final answer
    x = 25,434.89

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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.