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Finding the Fourth Proportional to 66,050, 91,153.80 and 37,754.96

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Solution

The fourth proportional to 66,050, 91,153.80 and 37,754.96 is: 52,104.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,050 : 91,153.80 = 37,754.96 : x
  2. Step 2: Convert to fraction form
    66,050/91,153.80 = 37,754.96/x
  3. Step 3: Cross multiply
    66,050x = 91,153.80 × 37,754.96
  4. Step 4: Simplify right side
    66,050x = 3,441,508,072.85
  5. Step 5: Solve for x
    x = 3,441,508,072.85/66,050
  6. Step 6: Final answer
    x = 52,104.59

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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.