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Finding the Fourth Proportional to 27,605.49, 38,100.54 and 16,274.31

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Solution

The fourth proportional to 27,605.49, 38,100.54 and 16,274.31 is: 22,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,605.49 : 38,100.54 = 16,274.31 : x
  2. Step 2: Convert to fraction form
    27,605.49/38,100.54 = 16,274.31/x
  3. Step 3: Cross multiply
    27,605.49x = 38,100.54 × 16,274.31
  4. Step 4: Simplify right side
    27,605.49x = 620,059,999.13
  5. Step 5: Solve for x
    x = 620,059,999.13/27,605.49
  6. Step 6: Final answer
    x = 22,461.47

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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.