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Finding the Fourth Proportional to 60,077.74, 82,879.68 and 38,863.84

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Solution

The fourth proportional to 60,077.74, 82,879.68 and 38,863.84 is: 53,614.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,077.74 : 82,879.68 = 38,863.84 : x
  2. Step 2: Convert to fraction form
    60,077.74/82,879.68 = 38,863.84/x
  3. Step 3: Cross multiply
    60,077.74x = 82,879.68 × 38,863.84
  4. Step 4: Simplify right side
    60,077.74x = 3,221,022,622.77
  5. Step 5: Solve for x
    x = 3,221,022,622.77/60,077.74
  6. Step 6: Final answer
    x = 53,614.24

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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.