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Finding the Fourth Proportional to 18,328.82, 27,497.82 and 10,006.61

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Solution

The fourth proportional to 18,328.82, 27,497.82 and 10,006.61 is: 15,012.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.82 : 27,497.82 = 10,006.61 : x
  2. Step 2: Convert to fraction form
    18,328.82/27,497.82 = 10,006.61/x
  3. Step 3: Cross multiply
    18,328.82x = 27,497.82 × 10,006.61
  4. Step 4: Simplify right side
    18,328.82x = 275,159,960.59
  5. Step 5: Solve for x
    x = 275,159,960.59/18,328.82
  6. Step 6: Final answer
    x = 15,012.42

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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.