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Finding the Fourth Proportional to 18,173.52, 27,260.52 and 6,487.44

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Solution

The fourth proportional to 18,173.52, 27,260.52 and 6,487.44 is: 9,731.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173.52 : 27,260.52 = 6,487.44 : x
  2. Step 2: Convert to fraction form
    18,173.52/27,260.52 = 6,487.44/x
  3. Step 3: Cross multiply
    18,173.52x = 27,260.52 × 6,487.44
  4. Step 4: Simplify right side
    18,173.52x = 176,850,987.87
  5. Step 5: Solve for x
    x = 176,850,987.87/18,173.52
  6. Step 6: Final answer
    x = 9,731.25

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1.5x scale

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.