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Finding the Fourth Proportional to 66,773.10, 92,147.96 and 36,557.91

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Solution

The fourth proportional to 66,773.10, 92,147.96 and 36,557.91 is: 50,450.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,773.10 : 92,147.96 = 36,557.91 : x
  2. Step 2: Convert to fraction form
    66,773.10/92,147.96 = 36,557.91/x
  3. Step 3: Cross multiply
    66,773.10x = 92,147.96 × 36,557.91
  4. Step 4: Simplify right side
    66,773.10x = 3,368,736,828.36
  5. Step 5: Solve for x
    x = 3,368,736,828.36/66,773.10
  6. Step 6: Final answer
    x = 50,450.51

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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.