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Finding the Fourth Proportional to 79,727.75, 110,024.30 and 43,917.65

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Solution

The fourth proportional to 79,727.75, 110,024.30 and 43,917.65 is: 60,606.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,727.75 : 110,024.30 = 43,917.65 : x
  2. Step 2: Convert to fraction form
    79,727.75/110,024.30 = 43,917.65/x
  3. Step 3: Cross multiply
    79,727.75x = 110,024.30 × 43,917.65
  4. Step 4: Simplify right side
    79,727.75x = 4,832,008,698.90
  5. Step 5: Solve for x
    x = 4,832,008,698.90/79,727.75
  6. Step 6: Final answer
    x = 60,606.36

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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.