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Finding the Fourth Proportional to 62,766.63, 94,149.81 and 39,409.47

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Solution

The fourth proportional to 62,766.63, 94,149.81 and 39,409.47 is: 59,114.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,766.63 : 94,149.81 = 39,409.47 : x
  2. Step 2: Convert to fraction form
    62,766.63/94,149.81 = 39,409.47/x
  3. Step 3: Cross multiply
    62,766.63x = 94,149.81 × 39,409.47
  4. Step 4: Simplify right side
    62,766.63x = 3,710,394,112.70
  5. Step 5: Solve for x
    x = 3,710,394,112.70/62,766.63
  6. Step 6: Final answer
    x = 59,114.12

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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.