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Finding the Fourth Proportional to 63,668.48, 87,852.72 and 36,805.80

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Solution

The fourth proportional to 63,668.48, 87,852.72 and 36,805.80 is: 50,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,668.48 : 87,852.72 = 36,805.80 : x
  2. Step 2: Convert to fraction form
    63,668.48/87,852.72 = 36,805.80/x
  3. Step 3: Cross multiply
    63,668.48x = 87,852.72 × 36,805.80
  4. Step 4: Simplify right side
    63,668.48x = 3,233,489,641.78
  5. Step 5: Solve for x
    x = 3,233,489,641.78/63,668.48
  6. Step 6: Final answer
    x = 50,786.35

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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.