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Finding the Fourth Proportional to 66,674.52, 92,010.87 and 37,993.37

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Solution

The fourth proportional to 66,674.52, 92,010.87 and 37,993.37 is: 52,430.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,674.52 : 92,010.87 = 37,993.37 : x
  2. Step 2: Convert to fraction form
    66,674.52/92,010.87 = 37,993.37/x
  3. Step 3: Cross multiply
    66,674.52x = 92,010.87 × 37,993.37
  4. Step 4: Simplify right side
    66,674.52x = 3,495,802,567.88
  5. Step 5: Solve for x
    x = 3,495,802,567.88/66,674.52
  6. Step 6: Final answer
    x = 52,430.86

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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.