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Finding the Fourth Proportional to 47,136.69, 65,048.88 and 25,917.33

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Solution

The fourth proportional to 47,136.69, 65,048.88 and 25,917.33 is: 35,766.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,136.69 : 65,048.88 = 25,917.33 : x
  2. Step 2: Convert to fraction form
    47,136.69/65,048.88 = 25,917.33/x
  3. Step 3: Cross multiply
    47,136.69x = 65,048.88 × 25,917.33
  4. Step 4: Simplify right side
    47,136.69x = 1,685,893,289.09
  5. Step 5: Solve for x
    x = 1,685,893,289.09/47,136.69
  6. Step 6: Final answer
    x = 35,766.05

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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.