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Finding the Fourth Proportional to 66,359.25, 91,575.77 and 36,551.25

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Solution

The fourth proportional to 66,359.25, 91,575.77 and 36,551.25 is: 50,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,359.25 : 91,575.77 = 36,551.25 : x
  2. Step 2: Convert to fraction form
    66,359.25/91,575.77 = 36,551.25/x
  3. Step 3: Cross multiply
    66,359.25x = 91,575.77 × 36,551.25
  4. Step 4: Simplify right side
    66,359.25x = 3,347,208,680.46
  5. Step 5: Solve for x
    x = 3,347,208,680.46/66,359.25
  6. Step 6: Final answer
    x = 50,440.73

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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.