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Finding the Fourth Proportional to 18,036, 24,896.43 and 13,572.63

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Solution

The fourth proportional to 18,036, 24,896.43 and 13,572.63 is: 18,735.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036 : 24,896.43 = 13,572.63 : x
  2. Step 2: Convert to fraction form
    18,036/24,896.43 = 13,572.63/x
  3. Step 3: Cross multiply
    18,036x = 24,896.43 × 13,572.63
  4. Step 4: Simplify right side
    18,036x = 337,910,032.71
  5. Step 5: Solve for x
    x = 337,910,032.71/18,036
  6. Step 6: Final answer
    x = 18,735.31

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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.