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Finding the Fourth Proportional to 19,707.58, 27,197.04 and 10,755.66

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Solution

The fourth proportional to 19,707.58, 27,197.04 and 10,755.66 is: 14,843.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.58 : 27,197.04 = 10,755.66 : x
  2. Step 2: Convert to fraction form
    19,707.58/27,197.04 = 10,755.66/x
  3. Step 3: Cross multiply
    19,707.58x = 27,197.04 × 10,755.66
  4. Step 4: Simplify right side
    19,707.58x = 292,522,115.25
  5. Step 5: Solve for x
    x = 292,522,115.25/19,707.58
  6. Step 6: Final answer
    x = 14,843.13

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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.