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Finding the Fourth Proportional to 64,343.25, 96,491.16 and 22,212.57

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Solution

The fourth proportional to 64,343.25, 96,491.16 and 22,212.57 is: 33,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,343.25 : 96,491.16 = 22,212.57 : x
  2. Step 2: Convert to fraction form
    64,343.25/96,491.16 = 22,212.57/x
  3. Step 3: Cross multiply
    64,343.25x = 96,491.16 × 22,212.57
  4. Step 4: Simplify right side
    64,343.25x = 2,143,316,645.88
  5. Step 5: Solve for x
    x = 2,143,316,645.88/64,343.25
  6. Step 6: Final answer
    x = 33,310.67

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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.