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Finding the Fourth Proportional to 29,778.80, 44,629.80 and 22,818.80

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Solution

The fourth proportional to 29,778.80, 44,629.80 and 22,818.80 is: 34,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,778.80 : 44,629.80 = 22,818.80 : x
  2. Step 2: Convert to fraction form
    29,778.80/44,629.80 = 22,818.80/x
  3. Step 3: Cross multiply
    29,778.80x = 44,629.80 × 22,818.80
  4. Step 4: Simplify right side
    29,778.80x = 1,018,398,480.24
  5. Step 5: Solve for x
    x = 1,018,398,480.24/29,778.80
  6. Step 6: Final answer
    x = 34,198.77

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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.