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Finding the Fourth Proportional to 62,772.26, 86,626.32 and 34,478.54

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Solution

The fourth proportional to 62,772.26, 86,626.32 and 34,478.54 is: 47,580.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,772.26 : 86,626.32 = 34,478.54 : x
  2. Step 2: Convert to fraction form
    62,772.26/86,626.32 = 34,478.54/x
  3. Step 3: Cross multiply
    62,772.26x = 86,626.32 × 34,478.54
  4. Step 4: Simplify right side
    62,772.26x = 2,986,749,039.17
  5. Step 5: Solve for x
    x = 2,986,749,039.17/62,772.26
  6. Step 6: Final answer
    x = 47,580.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.