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Finding the Fourth Proportional to 14,568.79, 21,853.21 and 6,243.41

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Solution

The fourth proportional to 14,568.79, 21,853.21 and 6,243.41 is: 9,365.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568.79 : 21,853.21 = 6,243.41 : x
  2. Step 2: Convert to fraction form
    14,568.79/21,853.21 = 6,243.41/x
  3. Step 3: Cross multiply
    14,568.79x = 21,853.21 × 6,243.41
  4. Step 4: Simplify right side
    14,568.79x = 136,438,549.85
  5. Step 5: Solve for x
    x = 136,438,549.85/14,568.79
  6. Step 6: Final answer
    x = 9,365.13

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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.