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Finding the Fourth Proportional to 50,881.30, 70,220.64 and 29,660.12

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Solution

The fourth proportional to 50,881.30, 70,220.64 and 29,660.12 is: 40,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,881.30 : 70,220.64 = 29,660.12 : x
  2. Step 2: Convert to fraction form
    50,881.30/70,220.64 = 29,660.12/x
  3. Step 3: Cross multiply
    50,881.30x = 70,220.64 × 29,660.12
  4. Step 4: Simplify right side
    50,881.30x = 2,082,752,608.88
  5. Step 5: Solve for x
    x = 2,082,752,608.88/50,881.30
  6. Step 6: Final answer
    x = 40,933.56

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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.