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Finding the Fourth Proportional to 15,216.66, 22,826.81 and 5,353.90

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Solution

The fourth proportional to 15,216.66, 22,826.81 and 5,353.90 is: 8,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,216.66 : 22,826.81 = 5,353.90 : x
  2. Step 2: Convert to fraction form
    15,216.66/22,826.81 = 5,353.90/x
  3. Step 3: Cross multiply
    15,216.66x = 22,826.81 × 5,353.90
  4. Step 4: Simplify right side
    15,216.66x = 122,212,414.38
  5. Step 5: Solve for x
    x = 122,212,414.38/15,216.66
  6. Step 6: Final answer
    x = 8,031.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.