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Finding the Fourth Proportional to 64,846.72, 97,221.48 and 27,450.64

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Solution

The fourth proportional to 64,846.72, 97,221.48 and 27,450.64 is: 41,155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,846.72 : 97,221.48 = 27,450.64 : x
  2. Step 2: Convert to fraction form
    64,846.72/97,221.48 = 27,450.64/x
  3. Step 3: Cross multiply
    64,846.72x = 97,221.48 × 27,450.64
  4. Step 4: Simplify right side
    64,846.72x = 2,668,791,847.75
  5. Step 5: Solve for x
    x = 2,668,791,847.75/64,846.72
  6. Step 6: Final answer
    x = 41,155.39

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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.