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Finding the Fourth Proportional to 18,012.66, 24,856.26 and 11,298

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Solution

The fourth proportional to 18,012.66, 24,856.26 and 11,298 is: 15,590.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012.66 : 24,856.26 = 11,298 : x
  2. Step 2: Convert to fraction form
    18,012.66/24,856.26 = 11,298/x
  3. Step 3: Cross multiply
    18,012.66x = 24,856.26 × 11,298
  4. Step 4: Simplify right side
    18,012.66x = 280,826,025.48
  5. Step 5: Solve for x
    x = 280,826,025.48/18,012.66
  6. Step 6: Final answer
    x = 15,590.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.