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Finding the Fourth Proportional to 18,486.39, 27,733.95 and 6,006.45

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Solution

The fourth proportional to 18,486.39, 27,733.95 and 6,006.45 is: 9,011.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486.39 : 27,733.95 = 6,006.45 : x
  2. Step 2: Convert to fraction form
    18,486.39/27,733.95 = 6,006.45/x
  3. Step 3: Cross multiply
    18,486.39x = 27,733.95 × 6,006.45
  4. Step 4: Simplify right side
    18,486.39x = 166,582,583.98
  5. Step 5: Solve for x
    x = 166,582,583.98/18,486.39
  6. Step 6: Final answer
    x = 9,011.09

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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.