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Finding the Fourth Proportional to 29,879.76, 44,809.18 and 8,814.22

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Solution

The fourth proportional to 29,879.76, 44,809.18 and 8,814.22 is: 13,218.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,879.76 : 44,809.18 = 8,814.22 : x
  2. Step 2: Convert to fraction form
    29,879.76/44,809.18 = 8,814.22/x
  3. Step 3: Cross multiply
    29,879.76x = 44,809.18 × 8,814.22
  4. Step 4: Simplify right side
    29,879.76x = 394,957,970.54
  5. Step 5: Solve for x
    x = 394,957,970.54/29,879.76
  6. Step 6: Final answer
    x = 13,218.24

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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.