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Finding the Fourth Proportional to 18,283.08, 27,403.88 and 8,401.94

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Solution

The fourth proportional to 18,283.08, 27,403.88 and 8,401.94 is: 12,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.08 : 27,403.88 = 8,401.94 : x
  2. Step 2: Convert to fraction form
    18,283.08/27,403.88 = 8,401.94/x
  3. Step 3: Cross multiply
    18,283.08x = 27,403.88 × 8,401.94
  4. Step 4: Simplify right side
    18,283.08x = 230,245,845.04
  5. Step 5: Solve for x
    x = 230,245,845.04/18,283.08
  6. Step 6: Final answer
    x = 12,593.38

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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.