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Finding the Fourth Proportional to 66,932.66, 92,367.78 and 36,718.04

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Solution

The fourth proportional to 66,932.66, 92,367.78 and 36,718.04 is: 50,671.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,932.66 : 92,367.78 = 36,718.04 : x
  2. Step 2: Convert to fraction form
    66,932.66/92,367.78 = 36,718.04/x
  3. Step 3: Cross multiply
    66,932.66x = 92,367.78 × 36,718.04
  4. Step 4: Simplify right side
    66,932.66x = 3,391,563,840.75
  5. Step 5: Solve for x
    x = 3,391,563,840.75/66,932.66
  6. Step 6: Final answer
    x = 50,671.28

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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.