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Finding the Fourth Proportional to 11,957.55, 17,936.31 and 3,637.53

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Solution

The fourth proportional to 11,957.55, 17,936.31 and 3,637.53 is: 5,456.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,957.55 : 17,936.31 = 3,637.53 : x
  2. Step 2: Convert to fraction form
    11,957.55/17,936.31 = 3,637.53/x
  3. Step 3: Cross multiply
    11,957.55x = 17,936.31 × 3,637.53
  4. Step 4: Simplify right side
    11,957.55x = 65,243,865.71
  5. Step 5: Solve for x
    x = 65,243,865.71/11,957.55
  6. Step 6: Final answer
    x = 5,456.29

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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.