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Finding the Fourth Proportional to 57,858.36, 79,840.38 and 32,363.38

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Solution

The fourth proportional to 57,858.36, 79,840.38 and 32,363.38 is: 44,659.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,858.36 : 79,840.38 = 32,363.38 : x
  2. Step 2: Convert to fraction form
    57,858.36/79,840.38 = 32,363.38/x
  3. Step 3: Cross multiply
    57,858.36x = 79,840.38 × 32,363.38
  4. Step 4: Simplify right side
    57,858.36x = 2,583,904,557.28
  5. Step 5: Solve for x
    x = 2,583,904,557.28/57,858.36
  6. Step 6: Final answer
    x = 44,659.14

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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.