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Finding the Fourth Proportional to 69,093.92, 103,629.90 and 24,712.40

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Solution

The fourth proportional to 69,093.92, 103,629.90 and 24,712.40 is: 37,064.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,093.92 : 103,629.90 = 24,712.40 : x
  2. Step 2: Convert to fraction form
    69,093.92/103,629.90 = 24,712.40/x
  3. Step 3: Cross multiply
    69,093.92x = 103,629.90 × 24,712.40
  4. Step 4: Simplify right side
    69,093.92x = 2,560,943,540.76
  5. Step 5: Solve for x
    x = 2,560,943,540.76/69,093.92
  6. Step 6: Final answer
    x = 37,064.67

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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.