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Finding the Fourth Proportional to 61,082.67, 91,655.36 and 29,097.97

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Solution

The fourth proportional to 61,082.67, 91,655.36 and 29,097.97 is: 43,661.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,082.67 : 91,655.36 = 29,097.97 : x
  2. Step 2: Convert to fraction form
    61,082.67/91,655.36 = 29,097.97/x
  3. Step 3: Cross multiply
    61,082.67x = 91,655.36 × 29,097.97
  4. Step 4: Simplify right side
    61,082.67x = 2,666,984,915.62
  5. Step 5: Solve for x
    x = 2,666,984,915.62/61,082.67
  6. Step 6: Final answer
    x = 43,661.89

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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.