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Finding the Fourth Proportional to 45,229.16, 67,745.10 and 27,645.68

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Solution

The fourth proportional to 45,229.16, 67,745.10 and 27,645.68 is: 41,408.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,229.16 : 67,745.10 = 27,645.68 : x
  2. Step 2: Convert to fraction form
    45,229.16/67,745.10 = 27,645.68/x
  3. Step 3: Cross multiply
    45,229.16x = 67,745.10 × 27,645.68
  4. Step 4: Simplify right side
    45,229.16x = 1,872,859,356.17
  5. Step 5: Solve for x
    x = 1,872,859,356.17/45,229.16
  6. Step 6: Final answer
    x = 41,408.23

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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.