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Finding the Fourth Proportional to 61,736.78, 85,195.01 and 36,242.73

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Solution

The fourth proportional to 61,736.78, 85,195.01 and 36,242.73 is: 50,013.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,736.78 : 85,195.01 = 36,242.73 : x
  2. Step 2: Convert to fraction form
    61,736.78/85,195.01 = 36,242.73/x
  3. Step 3: Cross multiply
    61,736.78x = 85,195.01 × 36,242.73
  4. Step 4: Simplify right side
    61,736.78x = 3,087,699,835.38
  5. Step 5: Solve for x
    x = 3,087,699,835.38/61,736.78
  6. Step 6: Final answer
    x = 50,013.94

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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.