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Finding the Fourth Proportional to 34,266.80, 51,408.30 and 17,629.40

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Solution

The fourth proportional to 34,266.80, 51,408.30 and 17,629.40 is: 26,448.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,266.80 : 51,408.30 = 17,629.40 : x
  2. Step 2: Convert to fraction form
    34,266.80/51,408.30 = 17,629.40/x
  3. Step 3: Cross multiply
    34,266.80x = 51,408.30 × 17,629.40
  4. Step 4: Simplify right side
    34,266.80x = 906,297,484.02
  5. Step 5: Solve for x
    x = 906,297,484.02/34,266.80
  6. Step 6: Final answer
    x = 26,448.27

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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.