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Finding the Fourth Proportional to 19,713.60, 27,204.55 and 10,761.03

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Solution

The fourth proportional to 19,713.60, 27,204.55 and 10,761.03 is: 14,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,713.60 : 27,204.55 = 10,761.03 : x
  2. Step 2: Convert to fraction form
    19,713.60/27,204.55 = 10,761.03/x
  3. Step 3: Cross multiply
    19,713.60x = 27,204.55 × 10,761.03
  4. Step 4: Simplify right side
    19,713.60x = 292,748,978.69
  5. Step 5: Solve for x
    x = 292,748,978.69/19,713.60
  6. Step 6: Final answer
    x = 14,850.10

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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.