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Finding the Fourth Proportional to 10,361.70, 15,549.36 and 5,684.99

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Solution

The fourth proportional to 10,361.70, 15,549.36 and 5,684.99 is: 8,531.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.70 : 15,549.36 = 5,684.99 : x
  2. Step 2: Convert to fraction form
    10,361.70/15,549.36 = 5,684.99/x
  3. Step 3: Cross multiply
    10,361.70x = 15,549.36 × 5,684.99
  4. Step 4: Simplify right side
    10,361.70x = 88,397,857.04
  5. Step 5: Solve for x
    x = 88,397,857.04/10,361.70
  6. Step 6: Final answer
    x = 8,531.21

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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.