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Finding the Fourth Proportional to 66,082.77, 91,194.30 and 35,868.08

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Solution

The fourth proportional to 66,082.77, 91,194.30 and 35,868.08 is: 49,497.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,082.77 : 91,194.30 = 35,868.08 : x
  2. Step 2: Convert to fraction form
    66,082.77/91,194.30 = 35,868.08/x
  3. Step 3: Cross multiply
    66,082.77x = 91,194.30 × 35,868.08
  4. Step 4: Simplify right side
    66,082.77x = 3,270,964,447.94
  5. Step 5: Solve for x
    x = 3,270,964,447.94/66,082.77
  6. Step 6: Final answer
    x = 49,497.99

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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.