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Finding the Fourth Proportional to 6,672.11, 9,993.15 and 5,499.36

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Solution

The fourth proportional to 6,672.11, 9,993.15 and 5,499.36 is: 8,236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.11 : 9,993.15 = 5,499.36 : x
  2. Step 2: Convert to fraction form
    6,672.11/9,993.15 = 5,499.36/x
  3. Step 3: Cross multiply
    6,672.11x = 9,993.15 × 5,499.36
  4. Step 4: Simplify right side
    6,672.11x = 54,955,929.38
  5. Step 5: Solve for x
    x = 54,955,929.38/6,672.11
  6. Step 6: Final answer
    x = 8,236.67

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1.5x scale

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.