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Finding the Fourth Proportional to 9,963.63, 14,942.07 and 3,388.05

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Solution

The fourth proportional to 9,963.63, 14,942.07 and 3,388.05 is: 5,080.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.63 : 14,942.07 = 3,388.05 : x
  2. Step 2: Convert to fraction form
    9,963.63/14,942.07 = 3,388.05/x
  3. Step 3: Cross multiply
    9,963.63x = 14,942.07 × 3,388.05
  4. Step 4: Simplify right side
    9,963.63x = 50,624,480.26
  5. Step 5: Solve for x
    x = 50,624,480.26/9,963.63
  6. Step 6: Final answer
    x = 5,080.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.