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Finding the Fourth Proportional to 66,457.67, 91,713.32 and 36,244.27

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Solution

The fourth proportional to 66,457.67, 91,713.32 and 36,244.27 is: 50,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,457.67 : 91,713.32 = 36,244.27 : x
  2. Step 2: Convert to fraction form
    66,457.67/91,713.32 = 36,244.27/x
  3. Step 3: Cross multiply
    66,457.67x = 91,713.32 × 36,244.27
  4. Step 4: Simplify right side
    66,457.67x = 3,324,082,194.00
  5. Step 5: Solve for x
    x = 3,324,082,194.00/66,457.67
  6. Step 6: Final answer
    x = 50,018.04

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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.