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Finding the Fourth Proportional to 66,865.97, 92,284.49 and 41,380.55

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Solution

The fourth proportional to 66,865.97, 92,284.49 and 41,380.55 is: 57,111.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,865.97 : 92,284.49 = 41,380.55 : x
  2. Step 2: Convert to fraction form
    66,865.97/92,284.49 = 41,380.55/x
  3. Step 3: Cross multiply
    66,865.97x = 92,284.49 × 41,380.55
  4. Step 4: Simplify right side
    66,865.97x = 3,818,782,564.83
  5. Step 5: Solve for x
    x = 3,818,782,564.83/66,865.97
  6. Step 6: Final answer
    x = 57,111.00

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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.