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Finding the Fourth Proportional to 61,239.64, 91,773.94 and 33,099.04

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Solution

The fourth proportional to 61,239.64, 91,773.94 and 33,099.04 is: 49,602.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,239.64 : 91,773.94 = 33,099.04 : x
  2. Step 2: Convert to fraction form
    61,239.64/91,773.94 = 33,099.04/x
  3. Step 3: Cross multiply
    61,239.64x = 91,773.94 × 33,099.04
  4. Step 4: Simplify right side
    61,239.64x = 3,037,629,311.02
  5. Step 5: Solve for x
    x = 3,037,629,311.02/61,239.64
  6. Step 6: Final answer
    x = 49,602.34

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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.