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Finding the Fourth Proportional to 48,806.55, 73,177.02 and 19,209.15

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Solution

The fourth proportional to 48,806.55, 73,177.02 and 19,209.15 is: 28,800.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,806.55 : 73,177.02 = 19,209.15 : x
  2. Step 2: Convert to fraction form
    48,806.55/73,177.02 = 19,209.15/x
  3. Step 3: Cross multiply
    48,806.55x = 73,177.02 × 19,209.15
  4. Step 4: Simplify right side
    48,806.55x = 1,405,668,353.73
  5. Step 5: Solve for x
    x = 1,405,668,353.73/48,806.55
  6. Step 6: Final answer
    x = 28,800.81

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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.