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Finding the Fourth Proportional to 27,940.66, 38,557.34 and 15,365.41

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Solution

The fourth proportional to 27,940.66, 38,557.34 and 15,365.41 is: 21,203.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,940.66 : 38,557.34 = 15,365.41 : x
  2. Step 2: Convert to fraction form
    27,940.66/38,557.34 = 15,365.41/x
  3. Step 3: Cross multiply
    27,940.66x = 38,557.34 × 15,365.41
  4. Step 4: Simplify right side
    27,940.66x = 592,449,337.61
  5. Step 5: Solve for x
    x = 592,449,337.61/27,940.66
  6. Step 6: Final answer
    x = 21,203.84

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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.