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Finding the Fourth Proportional to 63,722.75, 87,927.74 and 36,494.60

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Solution

The fourth proportional to 63,722.75, 87,927.74 and 36,494.60 is: 50,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,722.75 : 87,927.74 = 36,494.60 : x
  2. Step 2: Convert to fraction form
    63,722.75/87,927.74 = 36,494.60/x
  3. Step 3: Cross multiply
    63,722.75x = 87,927.74 × 36,494.60
  4. Step 4: Simplify right side
    63,722.75x = 3,208,887,078.09
  5. Step 5: Solve for x
    x = 3,208,887,078.09/63,722.75
  6. Step 6: Final answer
    x = 50,357.01

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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.