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Finding the Fourth Proportional to 50,632.44, 69,872.94 and 28,276.44

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Solution

The fourth proportional to 50,632.44, 69,872.94 and 28,276.44 is: 39,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,632.44 : 69,872.94 = 28,276.44 : x
  2. Step 2: Convert to fraction form
    50,632.44/69,872.94 = 28,276.44/x
  3. Step 3: Cross multiply
    50,632.44x = 69,872.94 × 28,276.44
  4. Step 4: Simplify right side
    50,632.44x = 1,975,757,995.53
  5. Step 5: Solve for x
    x = 1,975,757,995.53/50,632.44
  6. Step 6: Final answer
    x = 39,021.58

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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.