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Finding the Fourth Proportional to 49,745.82, 68,654.07 and 37,148.70

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Solution

The fourth proportional to 49,745.82, 68,654.07 and 37,148.70 is: 51,268.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,745.82 : 68,654.07 = 37,148.70 : x
  2. Step 2: Convert to fraction form
    49,745.82/68,654.07 = 37,148.70/x
  3. Step 3: Cross multiply
    49,745.82x = 68,654.07 × 37,148.70
  4. Step 4: Simplify right side
    49,745.82x = 2,550,409,450.21
  5. Step 5: Solve for x
    x = 2,550,409,450.21/49,745.82
  6. Step 6: Final answer
    x = 51,268.82

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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.