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Finding the Fourth Proportional to 29,165.60, 43,780.80 and 22,620.80

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Solution

The fourth proportional to 29,165.60, 43,780.80 and 22,620.80 is: 33,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,165.60 : 43,780.80 = 22,620.80 : x
  2. Step 2: Convert to fraction form
    29,165.60/43,780.80 = 22,620.80/x
  3. Step 3: Cross multiply
    29,165.60x = 43,780.80 × 22,620.80
  4. Step 4: Simplify right side
    29,165.60x = 990,356,720.64
  5. Step 5: Solve for x
    x = 990,356,720.64/29,165.60
  6. Step 6: Final answer
    x = 33,956.33

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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.