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Finding the Fourth Proportional to 66,937.87, 100,342.77 and 24,806.64

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Solution

The fourth proportional to 66,937.87, 100,342.77 and 24,806.64 is: 37,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,937.87 : 100,342.77 = 24,806.64 : x
  2. Step 2: Convert to fraction form
    66,937.87/100,342.77 = 24,806.64/x
  3. Step 3: Cross multiply
    66,937.87x = 100,342.77 × 24,806.64
  4. Step 4: Simplify right side
    66,937.87x = 2,489,166,470.28
  5. Step 5: Solve for x
    x = 2,489,166,470.28/66,937.87
  6. Step 6: Final answer
    x = 37,186.22

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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.