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Finding the Fourth Proportional to 64,379.52, 88,894.08 and 41,729.28

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Solution

The fourth proportional to 64,379.52, 88,894.08 and 41,729.28 is: 57,619.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,379.52 : 88,894.08 = 41,729.28 : x
  2. Step 2: Convert to fraction form
    64,379.52/88,894.08 = 41,729.28/x
  3. Step 3: Cross multiply
    64,379.52x = 88,894.08 × 41,729.28
  4. Step 4: Simplify right side
    64,379.52x = 3,709,485,954.66
  5. Step 5: Solve for x
    x = 3,709,485,954.66/64,379.52
  6. Step 6: Final answer
    x = 57,619.04

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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.