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Finding the Fourth Proportional to 65,033.54, 89,745.97 and 36,353.20

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Solution

The fourth proportional to 65,033.54, 89,745.97 and 36,353.20 is: 50,167.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,033.54 : 89,745.97 = 36,353.20 : x
  2. Step 2: Convert to fraction form
    65,033.54/89,745.97 = 36,353.20/x
  3. Step 3: Cross multiply
    65,033.54x = 89,745.97 × 36,353.20
  4. Step 4: Simplify right side
    65,033.54x = 3,262,552,747.87
  5. Step 5: Solve for x
    x = 3,262,552,747.87/65,033.54
  6. Step 6: Final answer
    x = 50,167.23

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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.