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Finding the Fourth Proportional to 38,993.67, 58,500.18 and 11,291.67

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Solution

The fourth proportional to 38,993.67, 58,500.18 and 11,291.67 is: 16,940.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,993.67 : 58,500.18 = 11,291.67 : x
  2. Step 2: Convert to fraction form
    38,993.67/58,500.18 = 11,291.67/x
  3. Step 3: Cross multiply
    38,993.67x = 58,500.18 × 11,291.67
  4. Step 4: Simplify right side
    38,993.67x = 660,564,727.50
  5. Step 5: Solve for x
    x = 660,564,727.50/38,993.67
  6. Step 6: Final answer
    x = 16,940.31

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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.