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Finding the Fourth Proportional to 67,851.71, 93,635.95 and 37,639.52

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Solution

The fourth proportional to 67,851.71, 93,635.95 and 37,639.52 is: 51,942.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,851.71 : 93,635.95 = 37,639.52 : x
  2. Step 2: Convert to fraction form
    67,851.71/93,635.95 = 37,639.52/x
  3. Step 3: Cross multiply
    67,851.71x = 93,635.95 × 37,639.52
  4. Step 4: Simplify right side
    67,851.71x = 3,524,412,072.17
  5. Step 5: Solve for x
    x = 3,524,412,072.17/67,851.71
  6. Step 6: Final answer
    x = 51,942.86

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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.