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Finding the Fourth Proportional to 65,757.33, 90,743.28 and 37,076.73

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Solution

The fourth proportional to 65,757.33, 90,743.28 and 37,076.73 is: 51,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,757.33 : 90,743.28 = 37,076.73 : x
  2. Step 2: Convert to fraction form
    65,757.33/90,743.28 = 37,076.73/x
  3. Step 3: Cross multiply
    65,757.33x = 90,743.28 × 37,076.73
  4. Step 4: Simplify right side
    65,757.33x = 3,364,464,091.87
  5. Step 5: Solve for x
    x = 3,364,464,091.87/65,757.33
  6. Step 6: Final answer
    x = 51,164.85

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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.