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Finding the Fourth Proportional to 18,625.82, 27,966.07 and 11,635.62

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Solution

The fourth proportional to 18,625.82, 27,966.07 and 11,635.62 is: 17,470.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.82 : 27,966.07 = 11,635.62 : x
  2. Step 2: Convert to fraction form
    18,625.82/27,966.07 = 11,635.62/x
  3. Step 3: Cross multiply
    18,625.82x = 27,966.07 × 11,635.62
  4. Step 4: Simplify right side
    18,625.82x = 325,402,563.41
  5. Step 5: Solve for x
    x = 325,402,563.41/18,625.82
  6. Step 6: Final answer
    x = 17,470.51

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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.