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Finding the Fourth Proportional to 66,267.27, 91,447.86 and 36,052.86

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Solution

The fourth proportional to 66,267.27, 91,447.86 and 36,052.86 is: 49,752.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,267.27 : 91,447.86 = 36,052.86 : x
  2. Step 2: Convert to fraction form
    66,267.27/91,447.86 = 36,052.86/x
  3. Step 3: Cross multiply
    66,267.27x = 91,447.86 × 36,052.86
  4. Step 4: Simplify right side
    66,267.27x = 3,296,956,893.88
  5. Step 5: Solve for x
    x = 3,296,956,893.88/66,267.27
  6. Step 6: Final answer
    x = 49,752.42

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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.