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Finding the Fourth Proportional to 17,997.50, 27,000.58 and 5,685.50

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Solution

The fourth proportional to 17,997.50, 27,000.58 and 5,685.50 is: 8,529.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,997.50 : 27,000.58 = 5,685.50 : x
  2. Step 2: Convert to fraction form
    17,997.50/27,000.58 = 5,685.50/x
  3. Step 3: Cross multiply
    17,997.50x = 27,000.58 × 5,685.50
  4. Step 4: Simplify right side
    17,997.50x = 153,511,797.59
  5. Step 5: Solve for x
    x = 153,511,797.59/17,997.50
  6. Step 6: Final answer
    x = 8,529.62

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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.