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Finding the Fourth Proportional to 14,127.96, 21,191.94 and 5,360.79

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Solution

The fourth proportional to 14,127.96, 21,191.94 and 5,360.79 is: 8,041.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.96 : 21,191.94 = 5,360.79 : x
  2. Step 2: Convert to fraction form
    14,127.96/21,191.94 = 5,360.79/x
  3. Step 3: Cross multiply
    14,127.96x = 21,191.94 × 5,360.79
  4. Step 4: Simplify right side
    14,127.96x = 113,605,540.03
  5. Step 5: Solve for x
    x = 113,605,540.03/14,127.96
  6. Step 6: Final answer
    x = 8,041.19

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.