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Finding the Fourth Proportional to 5,472.05, 8,207.99 and 3,712.67

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Solution

The fourth proportional to 5,472.05, 8,207.99 and 3,712.67 is: 5,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.05 : 8,207.99 = 3,712.67 : x
  2. Step 2: Convert to fraction form
    5,472.05/8,207.99 = 3,712.67/x
  3. Step 3: Cross multiply
    5,472.05x = 8,207.99 × 3,712.67
  4. Step 4: Simplify right side
    5,472.05x = 30,473,498.63
  5. Step 5: Solve for x
    x = 30,473,498.63/5,472.05
  6. Step 6: Final answer
    x = 5,568.94

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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.