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Finding the Fourth Proportional to 29,385.75, 44,078.54 and 10,665.77

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Solution

The fourth proportional to 29,385.75, 44,078.54 and 10,665.77 is: 15,998.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,385.75 : 44,078.54 = 10,665.77 : x
  2. Step 2: Convert to fraction form
    29,385.75/44,078.54 = 10,665.77/x
  3. Step 3: Cross multiply
    29,385.75x = 44,078.54 × 10,665.77
  4. Step 4: Simplify right side
    29,385.75x = 470,131,295.85
  5. Step 5: Solve for x
    x = 470,131,295.85/29,385.75
  6. Step 6: Final answer
    x = 15,998.61

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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.