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Finding the Fourth Proportional to 60,106.80, 82,917.03 and 55,832.61

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Solution

The fourth proportional to 60,106.80, 82,917.03 and 55,832.61 is: 77,020.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,106.80 : 82,917.03 = 55,832.61 : x
  2. Step 2: Convert to fraction form
    60,106.80/82,917.03 = 55,832.61/x
  3. Step 3: Cross multiply
    60,106.80x = 82,917.03 × 55,832.61
  4. Step 4: Simplify right side
    60,106.80x = 4,629,474,198.35
  5. Step 5: Solve for x
    x = 4,629,474,198.35/60,106.80
  6. Step 6: Final answer
    x = 77,020.81

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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.