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Finding the Fourth Proportional to 49,481.04, 68,292 and 28,266.96

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Solution

The fourth proportional to 49,481.04, 68,292 and 28,266.96 is: 39,013.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,481.04 : 68,292 = 28,266.96 : x
  2. Step 2: Convert to fraction form
    49,481.04/68,292 = 28,266.96/x
  3. Step 3: Cross multiply
    49,481.04x = 68,292 × 28,266.96
  4. Step 4: Simplify right side
    49,481.04x = 1,930,407,232.32
  5. Step 5: Solve for x
    x = 1,930,407,232.32/49,481.04
  6. Step 6: Final answer
    x = 39,013.07

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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.