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Finding the Fourth Proportional to 66,696.50, 92,041.89 and 36,481.16

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Solution

The fourth proportional to 66,696.50, 92,041.89 and 36,481.16 is: 50,344.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,696.50 : 92,041.89 = 36,481.16 : x
  2. Step 2: Convert to fraction form
    66,696.50/92,041.89 = 36,481.16/x
  3. Step 3: Cross multiply
    66,696.50x = 92,041.89 × 36,481.16
  4. Step 4: Simplify right side
    66,696.50x = 3,357,794,937.54
  5. Step 5: Solve for x
    x = 3,357,794,937.54/66,696.50
  6. Step 6: Final answer
    x = 50,344.40

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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.