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Finding the Fourth Proportional to 61,899.53, 92,813.69 and 33,012.52

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Solution

The fourth proportional to 61,899.53, 92,813.69 and 33,012.52 is: 49,499.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,899.53 : 92,813.69 = 33,012.52 : x
  2. Step 2: Convert to fraction form
    61,899.53/92,813.69 = 33,012.52/x
  3. Step 3: Cross multiply
    61,899.53x = 92,813.69 × 33,012.52
  4. Step 4: Simplify right side
    61,899.53x = 3,064,013,995.95
  5. Step 5: Solve for x
    x = 3,064,013,995.95/61,899.53
  6. Step 6: Final answer
    x = 49,499.79

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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.