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Finding the Fourth Proportional to 66,082.52, 91,193.96 and 35,867.84

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Solution

The fourth proportional to 66,082.52, 91,193.96 and 35,867.84 is: 49,497.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,082.52 : 91,193.96 = 35,867.84 : x
  2. Step 2: Convert to fraction form
    66,082.52/91,193.96 = 35,867.84/x
  3. Step 3: Cross multiply
    66,082.52x = 91,193.96 × 35,867.84
  4. Step 4: Simplify right side
    66,082.52x = 3,270,929,730.94
  5. Step 5: Solve for x
    x = 3,270,929,730.94/66,082.52
  6. Step 6: Final answer
    x = 49,497.66

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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.