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Finding the Fourth Proportional to 19,717.44, 27,208.85 and 10,763.12

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Solution

The fourth proportional to 19,717.44, 27,208.85 and 10,763.12 is: 14,852.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.44 : 27,208.85 = 10,763.12 : x
  2. Step 2: Convert to fraction form
    19,717.44/27,208.85 = 10,763.12/x
  3. Step 3: Cross multiply
    19,717.44x = 27,208.85 × 10,763.12
  4. Step 4: Simplify right side
    19,717.44x = 292,851,927.75
  5. Step 5: Solve for x
    x = 292,851,927.75/19,717.44
  6. Step 6: Final answer
    x = 14,852.43

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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.