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Finding the Fourth Proportional to 66,773.48, 92,143.90 and 36,553.01

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Solution

The fourth proportional to 66,773.48, 92,143.90 and 36,553.01 is: 50,441.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,773.48 : 92,143.90 = 36,553.01 : x
  2. Step 2: Convert to fraction form
    66,773.48/92,143.90 = 36,553.01/x
  3. Step 3: Cross multiply
    66,773.48x = 92,143.90 × 36,553.01
  4. Step 4: Simplify right side
    66,773.48x = 3,368,137,363.38
  5. Step 5: Solve for x
    x = 3,368,137,363.38/66,773.48
  6. Step 6: Final answer
    x = 50,441.24

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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.