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Finding the Fourth Proportional to 49,915.70, 74,754.48 and 27,673.91

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Solution

The fourth proportional to 49,915.70, 74,754.48 and 27,673.91 is: 41,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,915.70 : 74,754.48 = 27,673.91 : x
  2. Step 2: Convert to fraction form
    49,915.70/74,754.48 = 27,673.91/x
  3. Step 3: Cross multiply
    49,915.70x = 74,754.48 × 27,673.91
  4. Step 4: Simplify right side
    49,915.70x = 2,068,748,751.62
  5. Step 5: Solve for x
    x = 2,068,748,751.62/49,915.70
  6. Step 6: Final answer
    x = 41,444.85

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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.