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Finding the Fourth Proportional to 66,996.63, 92,454.96 and 36,782.46

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Solution

The fourth proportional to 66,996.63, 92,454.96 and 36,782.46 is: 50,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,996.63 : 92,454.96 = 36,782.46 : x
  2. Step 2: Convert to fraction form
    66,996.63/92,454.96 = 36,782.46/x
  3. Step 3: Cross multiply
    66,996.63x = 92,454.96 × 36,782.46
  4. Step 4: Simplify right side
    66,996.63x = 3,400,720,868.00
  5. Step 5: Solve for x
    x = 3,400,720,868.00/66,996.63
  6. Step 6: Final answer
    x = 50,759.58

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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.