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Finding the Fourth Proportional to 29,660.85, 44,478.32 and 8,879.49

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Solution

The fourth proportional to 29,660.85, 44,478.32 and 8,879.49 is: 13,315.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,660.85 : 44,478.32 = 8,879.49 : x
  2. Step 2: Convert to fraction form
    29,660.85/44,478.32 = 8,879.49/x
  3. Step 3: Cross multiply
    29,660.85x = 44,478.32 × 8,879.49
  4. Step 4: Simplify right side
    29,660.85x = 394,944,753.26
  5. Step 5: Solve for x
    x = 394,944,753.26/29,660.85
  6. Step 6: Final answer
    x = 13,315.36

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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.