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Finding the Fourth Proportional to 18,230.50, 27,350.61 and 8,996.50

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Solution

The fourth proportional to 18,230.50, 27,350.61 and 8,996.50 is: 13,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230.50 : 27,350.61 = 8,996.50 : x
  2. Step 2: Convert to fraction form
    18,230.50/27,350.61 = 8,996.50/x
  3. Step 3: Cross multiply
    18,230.50x = 27,350.61 × 8,996.50
  4. Step 4: Simplify right side
    18,230.50x = 246,059,762.87
  5. Step 5: Solve for x
    x = 246,059,762.87/18,230.50
  6. Step 6: Final answer
    x = 13,497.15

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Double scale
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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.