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Finding the Fourth Proportional to 34,165.60, 51,286.80 and 26,408.80

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Solution

The fourth proportional to 34,165.60, 51,286.80 and 26,408.80 is: 39,642.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,165.60 : 51,286.80 = 26,408.80 : x
  2. Step 2: Convert to fraction form
    34,165.60/51,286.80 = 26,408.80/x
  3. Step 3: Cross multiply
    34,165.60x = 51,286.80 × 26,408.80
  4. Step 4: Simplify right side
    34,165.60x = 1,354,422,843.84
  5. Step 5: Solve for x
    x = 1,354,422,843.84/34,165.60
  6. Step 6: Final answer
    x = 39,642.88

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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.