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Finding the Fourth Proportional to 48,992.50, 67,610.20 and 26,636.50

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Solution

The fourth proportional to 48,992.50, 67,610.20 and 26,636.50 is: 36,758.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,992.50 : 67,610.20 = 26,636.50 : x
  2. Step 2: Convert to fraction form
    48,992.50/67,610.20 = 26,636.50/x
  3. Step 3: Cross multiply
    48,992.50x = 67,610.20 × 26,636.50
  4. Step 4: Simplify right side
    48,992.50x = 1,800,899,092.30
  5. Step 5: Solve for x
    x = 1,800,899,092.30/48,992.50
  6. Step 6: Final answer
    x = 36,758.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.