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Finding the Fourth Proportional to 57,858.98, 79,844.34 and 32,708.48

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Solution

The fourth proportional to 57,858.98, 79,844.34 and 32,708.48 is: 45,137.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,858.98 : 79,844.34 = 32,708.48 : x
  2. Step 2: Convert to fraction form
    57,858.98/79,844.34 = 32,708.48/x
  3. Step 3: Cross multiply
    57,858.98x = 79,844.34 × 32,708.48
  4. Step 4: Simplify right side
    57,858.98x = 2,611,586,998.00
  5. Step 5: Solve for x
    x = 2,611,586,998.00/57,858.98
  6. Step 6: Final answer
    x = 45,137.11

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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.