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Finding the Fourth Proportional to 57,296.94, 79,069.82 and 31,803.32

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Solution

The fourth proportional to 57,296.94, 79,069.82 and 31,803.32 is: 43,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,296.94 : 79,069.82 = 31,803.32 : x
  2. Step 2: Convert to fraction form
    57,296.94/79,069.82 = 31,803.32/x
  3. Step 3: Cross multiply
    57,296.94x = 79,069.82 × 31,803.32
  4. Step 4: Simplify right side
    57,296.94x = 2,514,682,233.44
  5. Step 5: Solve for x
    x = 2,514,682,233.44/57,296.94
  6. Step 6: Final answer
    x = 43,888.60

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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.