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Finding the Fourth Proportional to 61,956.88, 85,507.78 and 36,806.38

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Solution

The fourth proportional to 61,956.88, 85,507.78 and 36,806.38 is: 50,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,956.88 : 85,507.78 = 36,806.38 : x
  2. Step 2: Convert to fraction form
    61,956.88/85,507.78 = 36,806.38/x
  3. Step 3: Cross multiply
    61,956.88x = 85,507.78 × 36,806.38
  4. Step 4: Simplify right side
    61,956.88x = 3,147,231,843.64
  5. Step 5: Solve for x
    x = 3,147,231,843.64/61,956.88
  6. Step 6: Final answer
    x = 50,797.13

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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.