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Finding the Fourth Proportional to 9,563.88, 13,199.39 and 5,372.13

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Solution

The fourth proportional to 9,563.88, 13,199.39 and 5,372.13 is: 7,414.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,563.88 : 13,199.39 = 5,372.13 : x
  2. Step 2: Convert to fraction form
    9,563.88/13,199.39 = 5,372.13/x
  3. Step 3: Cross multiply
    9,563.88x = 13,199.39 × 5,372.13
  4. Step 4: Simplify right side
    9,563.88x = 70,908,839.00
  5. Step 5: Solve for x
    x = 70,908,839.00/9,563.88
  6. Step 6: Final answer
    x = 7,414.23

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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.