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Finding the Fourth Proportional to 75,879.15, 113,818.65 and 22,570.91

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Solution

The fourth proportional to 75,879.15, 113,818.65 and 22,570.91 is: 33,856.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,879.15 : 113,818.65 = 22,570.91 : x
  2. Step 2: Convert to fraction form
    75,879.15/113,818.65 = 22,570.91/x
  3. Step 3: Cross multiply
    75,879.15x = 113,818.65 × 22,570.91
  4. Step 4: Simplify right side
    75,879.15x = 2,568,990,505.47
  5. Step 5: Solve for x
    x = 2,568,990,505.47/75,879.15
  6. Step 6: Final answer
    x = 33,856.34

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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.