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Finding the Fourth Proportional to 27,793.94, 38,353.20 and 16,461.43

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Solution

The fourth proportional to 27,793.94, 38,353.20 and 16,461.43 is: 22,715.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,793.94 : 38,353.20 = 16,461.43 : x
  2. Step 2: Convert to fraction form
    27,793.94/38,353.20 = 16,461.43/x
  3. Step 3: Cross multiply
    27,793.94x = 38,353.20 × 16,461.43
  4. Step 4: Simplify right side
    27,793.94x = 631,348,359.46
  5. Step 5: Solve for x
    x = 631,348,359.46/27,793.94
  6. Step 6: Final answer
    x = 22,715.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.