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Finding the Fourth Proportional to 13,268.88, 19,902.11 and 4,502.79

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Solution

The fourth proportional to 13,268.88, 19,902.11 and 4,502.79 is: 6,753.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.88 : 19,902.11 = 4,502.79 : x
  2. Step 2: Convert to fraction form
    13,268.88/19,902.11 = 4,502.79/x
  3. Step 3: Cross multiply
    13,268.88x = 19,902.11 × 4,502.79
  4. Step 4: Simplify right side
    13,268.88x = 89,614,999.37
  5. Step 5: Solve for x
    x = 89,614,999.37/13,268.88
  6. Step 6: Final answer
    x = 6,753.77

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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.