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Finding the Fourth Proportional to 61,754.67, 85,225.77 and 34,899.66

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Solution

The fourth proportional to 61,754.67, 85,225.77 and 34,899.66 is: 48,163.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,754.67 : 85,225.77 = 34,899.66 : x
  2. Step 2: Convert to fraction form
    61,754.67/85,225.77 = 34,899.66/x
  3. Step 3: Cross multiply
    61,754.67x = 85,225.77 × 34,899.66
  4. Step 4: Simplify right side
    61,754.67x = 2,974,350,396.24
  5. Step 5: Solve for x
    x = 2,974,350,396.24/61,754.67
  6. Step 6: Final answer
    x = 48,163.98

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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.