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Finding the Fourth Proportional to 70,709.90, 106,057.56 and 23,961.56

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Solution

The fourth proportional to 70,709.90, 106,057.56 and 23,961.56 is: 35,939.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,709.90 : 106,057.56 = 23,961.56 : x
  2. Step 2: Convert to fraction form
    70,709.90/106,057.56 = 23,961.56/x
  3. Step 3: Cross multiply
    70,709.90x = 106,057.56 × 23,961.56
  4. Step 4: Simplify right side
    70,709.90x = 2,541,304,587.39
  5. Step 5: Solve for x
    x = 2,541,304,587.39/70,709.90
  6. Step 6: Final answer
    x = 35,939.87

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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.