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Finding the Fourth Proportional to 50,481, 69,665.22 and 28,126.44

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Solution

The fourth proportional to 50,481, 69,665.22 and 28,126.44 is: 38,815.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,481 : 69,665.22 = 28,126.44 : x
  2. Step 2: Convert to fraction form
    50,481/69,665.22 = 28,126.44/x
  3. Step 3: Cross multiply
    50,481x = 69,665.22 × 28,126.44
  4. Step 4: Simplify right side
    50,481x = 1,959,434,630.42
  5. Step 5: Solve for x
    x = 1,959,434,630.42/50,481
  6. Step 6: Final answer
    x = 38,815.29

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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.