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Finding the Fourth Proportional to 64,267.90, 96,401.85 and 33,163.90

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Solution

The fourth proportional to 64,267.90, 96,401.85 and 33,163.90 is: 49,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,267.90 : 96,401.85 = 33,163.90 : x
  2. Step 2: Convert to fraction form
    64,267.90/96,401.85 = 33,163.90/x
  3. Step 3: Cross multiply
    64,267.90x = 96,401.85 × 33,163.90
  4. Step 4: Simplify right side
    64,267.90x = 3,197,061,313.22
  5. Step 5: Solve for x
    x = 3,197,061,313.22/64,267.90
  6. Step 6: Final answer
    x = 49,745.85

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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.