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Finding the Fourth Proportional to 50,361.48, 75,474.15 and 19,179.72

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Solution

The fourth proportional to 50,361.48, 75,474.15 and 19,179.72 is: 28,743.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,361.48 : 75,474.15 = 19,179.72 : x
  2. Step 2: Convert to fraction form
    50,361.48/75,474.15 = 19,179.72/x
  3. Step 3: Cross multiply
    50,361.48x = 75,474.15 × 19,179.72
  4. Step 4: Simplify right side
    50,361.48x = 1,447,573,064.24
  5. Step 5: Solve for x
    x = 1,447,573,064.24/50,361.48
  6. Step 6: Final answer
    x = 28,743.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.