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Finding the Fourth Proportional to 66,687.88, 92,025.86 and 36,467.33

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Solution

The fourth proportional to 66,687.88, 92,025.86 and 36,467.33 is: 50,323.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,687.88 : 92,025.86 = 36,467.33 : x
  2. Step 2: Convert to fraction form
    66,687.88/92,025.86 = 36,467.33/x
  3. Step 3: Cross multiply
    66,687.88x = 92,025.86 × 36,467.33
  4. Step 4: Simplify right side
    66,687.88x = 3,355,937,266.26
  5. Step 5: Solve for x
    x = 3,355,937,266.26/66,687.88
  6. Step 6: Final answer
    x = 50,323.05

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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.