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Finding the Fourth Proportional to 66,558.46, 91,849.45 and 36,342.96

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Solution

The fourth proportional to 66,558.46, 91,849.45 and 36,342.96 is: 50,152.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,558.46 : 91,849.45 = 36,342.96 : x
  2. Step 2: Convert to fraction form
    66,558.46/91,849.45 = 36,342.96/x
  3. Step 3: Cross multiply
    66,558.46x = 91,849.45 × 36,342.96
  4. Step 4: Simplify right side
    66,558.46x = 3,338,080,887.37
  5. Step 5: Solve for x
    x = 3,338,080,887.37/66,558.46
  6. Step 6: Final answer
    x = 50,152.62

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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.