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Finding the Fourth Proportional to 50,440.44, 69,605.10 and 28,083

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Solution

The fourth proportional to 50,440.44, 69,605.10 and 28,083 is: 38,753.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,440.44 : 69,605.10 = 28,083 : x
  2. Step 2: Convert to fraction form
    50,440.44/69,605.10 = 28,083/x
  3. Step 3: Cross multiply
    50,440.44x = 69,605.10 × 28,083
  4. Step 4: Simplify right side
    50,440.44x = 1,954,720,023.30
  5. Step 5: Solve for x
    x = 1,954,720,023.30/50,440.44
  6. Step 6: Final answer
    x = 38,753.03

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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.