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Finding the Fourth Proportional to 61,174.34, 91,731.83 and 35,882.12

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Solution

The fourth proportional to 61,174.34, 91,731.83 and 35,882.12 is: 53,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,174.34 : 91,731.83 = 35,882.12 : x
  2. Step 2: Convert to fraction form
    61,174.34/91,731.83 = 35,882.12/x
  3. Step 3: Cross multiply
    61,174.34x = 91,731.83 × 35,882.12
  4. Step 4: Simplify right side
    61,174.34x = 3,291,531,893.81
  5. Step 5: Solve for x
    x = 3,291,531,893.81/61,174.34
  6. Step 6: Final answer
    x = 53,805.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.