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Finding the Fourth Proportional to 50,670.87, 69,932.21 and 29,446.03

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Solution

The fourth proportional to 50,670.87, 69,932.21 and 29,446.03 is: 40,639.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,670.87 : 69,932.21 = 29,446.03 : x
  2. Step 2: Convert to fraction form
    50,670.87/69,932.21 = 29,446.03/x
  3. Step 3: Cross multiply
    50,670.87x = 69,932.21 × 29,446.03
  4. Step 4: Simplify right side
    50,670.87x = 2,059,226,059.45
  5. Step 5: Solve for x
    x = 2,059,226,059.45/50,670.87
  6. Step 6: Final answer
    x = 40,639.25

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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.