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Finding the Fourth Proportional to 69,492.62, 95,900.42 and 40,804.85

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Solution

The fourth proportional to 69,492.62, 95,900.42 and 40,804.85 is: 56,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,492.62 : 95,900.42 = 40,804.85 : x
  2. Step 2: Convert to fraction form
    69,492.62/95,900.42 = 40,804.85/x
  3. Step 3: Cross multiply
    69,492.62x = 95,900.42 × 40,804.85
  4. Step 4: Simplify right side
    69,492.62x = 3,913,202,049.01
  5. Step 5: Solve for x
    x = 3,913,202,049.01/69,492.62
  6. Step 6: Final answer
    x = 56,311.04

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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.