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Finding the Fourth Proportional to 66,473.88, 91,727.58 and 36,663.96

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Solution

The fourth proportional to 66,473.88, 91,727.58 and 36,663.96 is: 50,592.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,473.88 : 91,727.58 = 36,663.96 : x
  2. Step 2: Convert to fraction form
    66,473.88/91,727.58 = 36,663.96/x
  3. Step 3: Cross multiply
    66,473.88x = 91,727.58 × 36,663.96
  4. Step 4: Simplify right side
    66,473.88x = 3,363,096,324.02
  5. Step 5: Solve for x
    x = 3,363,096,324.02/66,473.88
  6. Step 6: Final answer
    x = 50,592.75

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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.