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Finding the Fourth Proportional to 64,544.73, 89,062.07 and 36,244.95

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Solution

The fourth proportional to 64,544.73, 89,062.07 and 36,244.95 is: 50,012.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,544.73 : 89,062.07 = 36,244.95 : x
  2. Step 2: Convert to fraction form
    64,544.73/89,062.07 = 36,244.95/x
  3. Step 3: Cross multiply
    64,544.73x = 89,062.07 × 36,244.95
  4. Step 4: Simplify right side
    64,544.73x = 3,228,050,092.82
  5. Step 5: Solve for x
    x = 3,228,050,092.82/64,544.73
  6. Step 6: Final answer
    x = 50,012.61

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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.