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Finding the Fourth Proportional to 66,696.71, 100,045.24 and 27,253.83

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Solution

The fourth proportional to 66,696.71, 100,045.24 and 27,253.83 is: 40,880.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,696.71 : 100,045.24 = 27,253.83 : x
  2. Step 2: Convert to fraction form
    66,696.71/100,045.24 = 27,253.83/x
  3. Step 3: Cross multiply
    66,696.71x = 100,045.24 × 27,253.83
  4. Step 4: Simplify right side
    66,696.71x = 2,726,615,963.27
  5. Step 5: Solve for x
    x = 2,726,615,963.27/66,696.71
  6. Step 6: Final answer
    x = 40,880.82

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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.