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Finding the Fourth Proportional to 5,959.34, 8,226.54 and 3,720.80

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Solution

The fourth proportional to 5,959.34, 8,226.54 and 3,720.80 is: 5,136.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,959.34 : 8,226.54 = 3,720.80 : x
  2. Step 2: Convert to fraction form
    5,959.34/8,226.54 = 3,720.80/x
  3. Step 3: Cross multiply
    5,959.34x = 8,226.54 × 3,720.80
  4. Step 4: Simplify right side
    5,959.34x = 30,609,310.03
  5. Step 5: Solve for x
    x = 30,609,310.03/5,959.34
  6. Step 6: Final answer
    x = 5,136.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.