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Finding the Fourth Proportional to 52,921, 79,342.46 and 25,238.44

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Solution

The fourth proportional to 52,921, 79,342.46 and 25,238.44 is: 37,839.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,921 : 79,342.46 = 25,238.44 : x
  2. Step 2: Convert to fraction form
    52,921/79,342.46 = 25,238.44/x
  3. Step 3: Cross multiply
    52,921x = 79,342.46 × 25,238.44
  4. Step 4: Simplify right side
    52,921x = 2,002,479,916.16
  5. Step 5: Solve for x
    x = 2,002,479,916.16/52,921
  6. Step 6: Final answer
    x = 37,839.04

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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.