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Finding the Fourth Proportional to 64,379.82, 88,843.20 and 35,699.52

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Solution

The fourth proportional to 64,379.82, 88,843.20 and 35,699.52 is: 49,264.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,379.82 : 88,843.20 = 35,699.52 : x
  2. Step 2: Convert to fraction form
    64,379.82/88,843.20 = 35,699.52/x
  3. Step 3: Cross multiply
    64,379.82x = 88,843.20 × 35,699.52
  4. Step 4: Simplify right side
    64,379.82x = 3,171,659,595.26
  5. Step 5: Solve for x
    x = 3,171,659,595.26/64,379.82
  6. Step 6: Final answer
    x = 49,264.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.