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Finding the Fourth Proportional to 67,785.80, 93,541.91 and 37,573.88

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Solution

The fourth proportional to 67,785.80, 93,541.91 and 37,573.88 is: 51,850.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,785.80 : 93,541.91 = 37,573.88 : x
  2. Step 2: Convert to fraction form
    67,785.80/93,541.91 = 37,573.88/x
  3. Step 3: Cross multiply
    67,785.80x = 93,541.91 × 37,573.88
  4. Step 4: Simplify right side
    67,785.80x = 3,514,731,845.73
  5. Step 5: Solve for x
    x = 3,514,731,845.73/67,785.80
  6. Step 6: Final answer
    x = 51,850.57

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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.