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Finding the Fourth Proportional to 47,135.52, 65,046.15 and 25,914.33

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Solution

The fourth proportional to 47,135.52, 65,046.15 and 25,914.33 is: 35,761.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,135.52 : 65,046.15 = 25,914.33 : x
  2. Step 2: Convert to fraction form
    47,135.52/65,046.15 = 25,914.33/x
  3. Step 3: Cross multiply
    47,135.52x = 65,046.15 × 25,914.33
  4. Step 4: Simplify right side
    47,135.52x = 1,685,627,429.37
  5. Step 5: Solve for x
    x = 1,685,627,429.37/47,135.52
  6. Step 6: Final answer
    x = 35,761.30

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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.