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Finding the Fourth Proportional to 18,179.61, 27,266.38 and 5,033.31

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Solution

The fourth proportional to 18,179.61, 27,266.38 and 5,033.31 is: 7,549.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.61 : 27,266.38 = 5,033.31 : x
  2. Step 2: Convert to fraction form
    18,179.61/27,266.38 = 5,033.31/x
  3. Step 3: Cross multiply
    18,179.61x = 27,266.38 × 5,033.31
  4. Step 4: Simplify right side
    18,179.61x = 137,240,130.53
  5. Step 5: Solve for x
    x = 137,240,130.53/18,179.61
  6. Step 6: Final answer
    x = 7,549.12

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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.