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Finding the Fourth Proportional to 59,398.54, 89,099.01 and 21,939.31

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Solution

The fourth proportional to 59,398.54, 89,099.01 and 21,939.31 is: 32,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,398.54 : 89,099.01 = 21,939.31 : x
  2. Step 2: Convert to fraction form
    59,398.54/89,099.01 = 21,939.31/x
  3. Step 3: Cross multiply
    59,398.54x = 89,099.01 × 21,939.31
  4. Step 4: Simplify right side
    59,398.54x = 1,954,770,801.08
  5. Step 5: Solve for x
    x = 1,954,770,801.08/59,398.54
  6. Step 6: Final answer
    x = 32,909.41

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Why These Related Problems?

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