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Finding the Fourth Proportional to 18,461.52, 27,678.11 and 8,593.70

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Solution

The fourth proportional to 18,461.52, 27,678.11 and 8,593.70 is: 12,883.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461.52 : 27,678.11 = 8,593.70 : x
  2. Step 2: Convert to fraction form
    18,461.52/27,678.11 = 8,593.70/x
  3. Step 3: Cross multiply
    18,461.52x = 27,678.11 × 8,593.70
  4. Step 4: Simplify right side
    18,461.52x = 237,857,192.55
  5. Step 5: Solve for x
    x = 237,857,192.55/18,461.52
  6. Step 6: Final answer
    x = 12,883.94

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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.