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Finding the Fourth Proportional to 19,282.09, 28,843.16 and 18,101.11

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Solution

The fourth proportional to 19,282.09, 28,843.16 and 18,101.11 is: 27,076.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.09 : 28,843.16 = 18,101.11 : x
  2. Step 2: Convert to fraction form
    19,282.09/28,843.16 = 18,101.11/x
  3. Step 3: Cross multiply
    19,282.09x = 28,843.16 × 18,101.11
  4. Step 4: Simplify right side
    19,282.09x = 522,093,211.91
  5. Step 5: Solve for x
    x = 522,093,211.91/19,282.09
  6. Step 6: Final answer
    x = 27,076.59

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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.