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Finding the Fourth Proportional to 66,879.52, 92,292.48 and 36,664

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Solution

The fourth proportional to 66,879.52, 92,292.48 and 36,664 is: 50,595.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,879.52 : 92,292.48 = 36,664 : x
  2. Step 2: Convert to fraction form
    66,879.52/92,292.48 = 36,664/x
  3. Step 3: Cross multiply
    66,879.52x = 92,292.48 × 36,664
  4. Step 4: Simplify right side
    66,879.52x = 3,383,811,486.72
  5. Step 5: Solve for x
    x = 3,383,811,486.72/66,879.52
  6. Step 6: Final answer
    x = 50,595.63

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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.