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Finding the Fourth Proportional to 64,379.41, 96,564.88 and 22,249.69

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Solution

The fourth proportional to 64,379.41, 96,564.88 and 22,249.69 is: 33,373.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,379.41 : 96,564.88 = 22,249.69 : x
  2. Step 2: Convert to fraction form
    64,379.41/96,564.88 = 22,249.69/x
  3. Step 3: Cross multiply
    64,379.41x = 96,564.88 × 22,249.69
  4. Step 4: Simplify right side
    64,379.41x = 2,148,538,347.85
  5. Step 5: Solve for x
    x = 2,148,538,347.85/64,379.41
  6. Step 6: Final answer
    x = 33,373.07

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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.