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Finding the Fourth Proportional to 19,745.52, 27,246.97 and 11,248.11

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Solution

The fourth proportional to 19,745.52, 27,246.97 and 11,248.11 is: 15,521.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,745.52 : 27,246.97 = 11,248.11 : x
  2. Step 2: Convert to fraction form
    19,745.52/27,246.97 = 11,248.11/x
  3. Step 3: Cross multiply
    19,745.52x = 27,246.97 × 11,248.11
  4. Step 4: Simplify right side
    19,745.52x = 306,476,859.49
  5. Step 5: Solve for x
    x = 306,476,859.49/19,745.52
  6. Step 6: Final answer
    x = 15,521.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.