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Finding the Fourth Proportional to 50,474.94, 69,661.53 and 29,255.10

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Solution

The fourth proportional to 50,474.94, 69,661.53 and 29,255.10 is: 40,375.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,474.94 : 69,661.53 = 29,255.10 : x
  2. Step 2: Convert to fraction form
    50,474.94/69,661.53 = 29,255.10/x
  3. Step 3: Cross multiply
    50,474.94x = 69,661.53 × 29,255.10
  4. Step 4: Simplify right side
    50,474.94x = 2,037,955,026.30
  5. Step 5: Solve for x
    x = 2,037,955,026.30/50,474.94
  6. Step 6: Final answer
    x = 40,375.58

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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.