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Finding the Fourth Proportional to 19,472.72, 26,873.62 and 11,298

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Solution

The fourth proportional to 19,472.72, 26,873.62 and 11,298 is: 15,591.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.72 : 26,873.62 = 11,298 : x
  2. Step 2: Convert to fraction form
    19,472.72/26,873.62 = 11,298/x
  3. Step 3: Cross multiply
    19,472.72x = 26,873.62 × 11,298
  4. Step 4: Simplify right side
    19,472.72x = 303,618,158.76
  5. Step 5: Solve for x
    x = 303,618,158.76/19,472.72
  6. Step 6: Final answer
    x = 15,591.97

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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.