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Finding the Fourth Proportional to 19,214.67, 28,822.01 and 5,363.67

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Solution

The fourth proportional to 19,214.67, 28,822.01 and 5,363.67 is: 8,045.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.67 : 28,822.01 = 5,363.67 : x
  2. Step 2: Convert to fraction form
    19,214.67/28,822.01 = 5,363.67/x
  3. Step 3: Cross multiply
    19,214.67x = 28,822.01 × 5,363.67
  4. Step 4: Simplify right side
    19,214.67x = 154,591,723.56
  5. Step 5: Solve for x
    x = 154,591,723.56/19,214.67
  6. Step 6: Final answer
    x = 8,045.51

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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.