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Finding the Fourth Proportional to 37,921.91, 56,892.03 and 14,229.65

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Solution

The fourth proportional to 37,921.91, 56,892.03 and 14,229.65 is: 21,347.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,921.91 : 56,892.03 = 14,229.65 : x
  2. Step 2: Convert to fraction form
    37,921.91/56,892.03 = 14,229.65/x
  3. Step 3: Cross multiply
    37,921.91x = 56,892.03 × 14,229.65
  4. Step 4: Simplify right side
    37,921.91x = 809,553,816.92
  5. Step 5: Solve for x
    x = 809,553,816.92/37,921.91
  6. Step 6: Final answer
    x = 21,347.92

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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.