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Finding the Fourth Proportional to 29,622.80, 44,326.20 and 21,846.80

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Solution

The fourth proportional to 29,622.80, 44,326.20 and 21,846.80 is: 32,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,622.80 : 44,326.20 = 21,846.80 : x
  2. Step 2: Convert to fraction form
    29,622.80/44,326.20 = 21,846.80/x
  3. Step 3: Cross multiply
    29,622.80x = 44,326.20 × 21,846.80
  4. Step 4: Simplify right side
    29,622.80x = 968,385,626.16
  5. Step 5: Solve for x
    x = 968,385,626.16/29,622.80
  6. Step 6: Final answer
    x = 32,690.55

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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.