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Finding the Fourth Proportional to 66,788.52, 92,166.92 and 36,573.28

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Solution

The fourth proportional to 66,788.52, 92,166.92 and 36,573.28 is: 50,470.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,788.52 : 92,166.92 = 36,573.28 : x
  2. Step 2: Convert to fraction form
    66,788.52/92,166.92 = 36,573.28/x
  3. Step 3: Cross multiply
    66,788.52x = 92,166.92 × 36,573.28
  4. Step 4: Simplify right side
    66,788.52x = 3,370,846,571.90
  5. Step 5: Solve for x
    x = 3,370,846,571.90/66,788.52
  6. Step 6: Final answer
    x = 50,470.45

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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.