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Finding the Fourth Proportional to 55,307.80, 82,896.90 and 41,440.60

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Solution

The fourth proportional to 55,307.80, 82,896.90 and 41,440.60 is: 62,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,307.80 : 82,896.90 = 41,440.60 : x
  2. Step 2: Convert to fraction form
    55,307.80/82,896.90 = 41,440.60/x
  3. Step 3: Cross multiply
    55,307.80x = 82,896.90 × 41,440.60
  4. Step 4: Simplify right side
    55,307.80x = 3,435,297,274.14
  5. Step 5: Solve for x
    x = 3,435,297,274.14/55,307.80
  6. Step 6: Final answer
    x = 62,112.35

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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.