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Finding the Fourth Proportional to 18,369.01, 27,542.12 and 8,495.62

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Solution

The fourth proportional to 18,369.01, 27,542.12 and 8,495.62 is: 12,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,369.01 : 27,542.12 = 8,495.62 : x
  2. Step 2: Convert to fraction form
    18,369.01/27,542.12 = 8,495.62/x
  3. Step 3: Cross multiply
    18,369.01x = 27,542.12 × 8,495.62
  4. Step 4: Simplify right side
    18,369.01x = 233,987,274.18
  5. Step 5: Solve for x
    x = 233,987,274.18/18,369.01
  6. Step 6: Final answer
    x = 12,738.15

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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.