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Finding the Fourth Proportional to 53,858.74, 80,716.83 and 41,330.89

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Solution

The fourth proportional to 53,858.74, 80,716.83 and 41,330.89 is: 61,941.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,858.74 : 80,716.83 = 41,330.89 : x
  2. Step 2: Convert to fraction form
    53,858.74/80,716.83 = 41,330.89/x
  3. Step 3: Cross multiply
    53,858.74x = 80,716.83 × 41,330.89
  4. Step 4: Simplify right side
    53,858.74x = 3,336,098,421.88
  5. Step 5: Solve for x
    x = 3,336,098,421.88/53,858.74
  6. Step 6: Final answer
    x = 61,941.64

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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.