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Finding the Fourth Proportional to 47,200.52, 65,136.48 and 25,979.36

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Solution

The fourth proportional to 47,200.52, 65,136.48 and 25,979.36 is: 35,851.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,200.52 : 65,136.48 = 25,979.36 : x
  2. Step 2: Convert to fraction form
    47,200.52/65,136.48 = 25,979.36/x
  3. Step 3: Cross multiply
    47,200.52x = 65,136.48 × 25,979.36
  4. Step 4: Simplify right side
    47,200.52x = 1,692,204,063.05
  5. Step 5: Solve for x
    x = 1,692,204,063.05/47,200.52
  6. Step 6: Final answer
    x = 35,851.39

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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.