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Finding the Fourth Proportional to 57,962.94, 86,901.89 and 18,497.31

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Solution

The fourth proportional to 57,962.94, 86,901.89 and 18,497.31 is: 27,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,962.94 : 86,901.89 = 18,497.31 : x
  2. Step 2: Convert to fraction form
    57,962.94/86,901.89 = 18,497.31/x
  3. Step 3: Cross multiply
    57,962.94x = 86,901.89 × 18,497.31
  4. Step 4: Simplify right side
    57,962.94x = 1,607,451,106.43
  5. Step 5: Solve for x
    x = 1,607,451,106.43/57,962.94
  6. Step 6: Final answer
    x = 27,732.39

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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.