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Finding the Fourth Proportional to 19,793.18, 27,314.60 and 10,840.68

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Solution

The fourth proportional to 19,793.18, 27,314.60 and 10,840.68 is: 14,960.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,793.18 : 27,314.60 = 10,840.68 : x
  2. Step 2: Convert to fraction form
    19,793.18/27,314.60 = 10,840.68/x
  3. Step 3: Cross multiply
    19,793.18x = 27,314.60 × 10,840.68
  4. Step 4: Simplify right side
    19,793.18x = 296,108,783.72
  5. Step 5: Solve for x
    x = 296,108,783.72/19,793.18
  6. Step 6: Final answer
    x = 14,960.15

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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.