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Finding the Fourth Proportional to 66,927.66, 100,374.69 and 27,495.66

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Solution

The fourth proportional to 66,927.66, 100,374.69 and 27,495.66 is: 41,236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,927.66 : 100,374.69 = 27,495.66 : x
  2. Step 2: Convert to fraction form
    66,927.66/100,374.69 = 27,495.66/x
  3. Step 3: Cross multiply
    66,927.66x = 100,374.69 × 27,495.66
  4. Step 4: Simplify right side
    66,927.66x = 2,759,868,348.85
  5. Step 5: Solve for x
    x = 2,759,868,348.85/66,927.66
  6. Step 6: Final answer
    x = 41,236.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.