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Finding the Fourth Proportional to 84,410.68, 126,616.01 and 34,490.73

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Solution

The fourth proportional to 84,410.68, 126,616.01 and 34,490.73 is: 51,736.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,410.68 : 126,616.01 = 34,490.73 : x
  2. Step 2: Convert to fraction form
    84,410.68/126,616.01 = 34,490.73/x
  3. Step 3: Cross multiply
    84,410.68x = 126,616.01 × 34,490.73
  4. Step 4: Simplify right side
    84,410.68x = 4,367,078,614.59
  5. Step 5: Solve for x
    x = 4,367,078,614.59/84,410.68
  6. Step 6: Final answer
    x = 51,736.09

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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.