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Finding the Fourth Proportional to 49,774.80, 68,689.08 and 27,418.80

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Solution

The fourth proportional to 49,774.80, 68,689.08 and 27,418.80 is: 37,837.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,774.80 : 68,689.08 = 27,418.80 : x
  2. Step 2: Convert to fraction form
    49,774.80/68,689.08 = 27,418.80/x
  3. Step 3: Cross multiply
    49,774.80x = 68,689.08 × 27,418.80
  4. Step 4: Simplify right side
    49,774.80x = 1,883,372,146.70
  5. Step 5: Solve for x
    x = 1,883,372,146.70/49,774.80
  6. Step 6: Final answer
    x = 37,837.86

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1.5x scale

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.