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Finding the Fourth Proportional to 27,487.52, 37,933.02 and 14,912.52

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Solution

The fourth proportional to 27,487.52, 37,933.02 and 14,912.52 is: 20,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,487.52 : 37,933.02 = 14,912.52 : x
  2. Step 2: Convert to fraction form
    27,487.52/37,933.02 = 14,912.52/x
  3. Step 3: Cross multiply
    27,487.52x = 37,933.02 × 14,912.52
  4. Step 4: Simplify right side
    27,487.52x = 565,676,919.41
  5. Step 5: Solve for x
    x = 565,676,919.41/27,487.52
  6. Step 6: Final answer
    x = 20,579.41

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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.