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Finding the Fourth Proportional to 34,794.72, 48,016.85 and 18,879.21

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Solution

The fourth proportional to 34,794.72, 48,016.85 and 18,879.21 is: 26,053.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,794.72 : 48,016.85 = 18,879.21 : x
  2. Step 2: Convert to fraction form
    34,794.72/48,016.85 = 18,879.21/x
  3. Step 3: Cross multiply
    34,794.72x = 48,016.85 × 18,879.21
  4. Step 4: Simplify right side
    34,794.72x = 906,520,100.29
  5. Step 5: Solve for x
    x = 906,520,100.29/34,794.72
  6. Step 6: Final answer
    x = 26,053.38

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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.