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Finding the Fourth Proportional to 18,846, 26,007.48 and 10,463.28

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Solution

The fourth proportional to 18,846, 26,007.48 and 10,463.28 is: 14,439.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,846 : 26,007.48 = 10,463.28 : x
  2. Step 2: Convert to fraction form
    18,846/26,007.48 = 10,463.28/x
  3. Step 3: Cross multiply
    18,846x = 26,007.48 × 10,463.28
  4. Step 4: Simplify right side
    18,846x = 272,123,545.33
  5. Step 5: Solve for x
    x = 272,123,545.33/18,846
  6. Step 6: Final answer
    x = 14,439.33

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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.