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Finding the Fourth Proportional to 57,940.24, 86,924.94 and 16,387.24

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Solution

The fourth proportional to 57,940.24, 86,924.94 and 16,387.24 is: 24,584.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,940.24 : 86,924.94 = 16,387.24 : x
  2. Step 2: Convert to fraction form
    57,940.24/86,924.94 = 16,387.24/x
  3. Step 3: Cross multiply
    57,940.24x = 86,924.94 × 16,387.24
  4. Step 4: Simplify right side
    57,940.24x = 1,424,459,853.77
  5. Step 5: Solve for x
    x = 1,424,459,853.77/57,940.24
  6. Step 6: Final answer
    x = 24,584.98

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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.