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Finding the Fourth Proportional to 66,602.44, 91,917.73 and 36,392.36

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Solution

The fourth proportional to 66,602.44, 91,917.73 and 36,392.36 is: 50,224.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,602.44 : 91,917.73 = 36,392.36 : x
  2. Step 2: Convert to fraction form
    66,602.44/91,917.73 = 36,392.36/x
  3. Step 3: Cross multiply
    66,602.44x = 91,917.73 × 36,392.36
  4. Step 4: Simplify right side
    66,602.44x = 3,345,102,478.99
  5. Step 5: Solve for x
    x = 3,345,102,478.99/66,602.44
  6. Step 6: Final answer
    x = 50,224.92

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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.