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Finding the Fourth Proportional to 9,553.63, 13,184.00 and 5,361.88

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Solution

The fourth proportional to 9,553.63, 13,184.00 and 5,361.88 is: 7,399.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,553.63 : 13,184.00 = 5,361.88 : x
  2. Step 2: Convert to fraction form
    9,553.63/13,184.00 = 5,361.88/x
  3. Step 3: Cross multiply
    9,553.63x = 13,184.00 × 5,361.88
  4. Step 4: Simplify right side
    9,553.63x = 70,690,973.40
  5. Step 5: Solve for x
    x = 70,690,973.40/9,553.63
  6. Step 6: Final answer
    x = 7,399.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.