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Finding the Fourth Proportional to 64,909.78, 97,377.84 and 27,469.96

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Solution

The fourth proportional to 64,909.78, 97,377.84 and 27,469.96 is: 41,210.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,909.78 : 97,377.84 = 27,469.96 : x
  2. Step 2: Convert to fraction form
    64,909.78/97,377.84 = 27,469.96/x
  3. Step 3: Cross multiply
    64,909.78x = 97,377.84 × 27,469.96
  4. Step 4: Simplify right side
    64,909.78x = 2,674,965,369.69
  5. Step 5: Solve for x
    x = 2,674,965,369.69/64,909.78
  6. Step 6: Final answer
    x = 41,210.51

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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.