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Finding the Fourth Proportional to 66,835.80, 92,231.10 and 37,027.80

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Solution

The fourth proportional to 66,835.80, 92,231.10 and 37,027.80 is: 51,097.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,835.80 : 92,231.10 = 37,027.80 : x
  2. Step 2: Convert to fraction form
    66,835.80/92,231.10 = 37,027.80/x
  3. Step 3: Cross multiply
    66,835.80x = 92,231.10 × 37,027.80
  4. Step 4: Simplify right side
    66,835.80x = 3,415,114,724.58
  5. Step 5: Solve for x
    x = 3,415,114,724.58/66,835.80
  6. Step 6: Final answer
    x = 51,097.09

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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.