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Finding the Fourth Proportional to 50,471.56, 69,653.10 and 29,257.48

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Solution

The fourth proportional to 50,471.56, 69,653.10 and 29,257.48 is: 40,376.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,471.56 : 69,653.10 = 29,257.48 : x
  2. Step 2: Convert to fraction form
    50,471.56/69,653.10 = 29,257.48/x
  3. Step 3: Cross multiply
    50,471.56x = 69,653.10 × 29,257.48
  4. Step 4: Simplify right side
    50,471.56x = 2,037,874,180.19
  5. Step 5: Solve for x
    x = 2,037,874,180.19/50,471.56
  6. Step 6: Final answer
    x = 40,376.68

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1.5x scale

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.