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Finding the Fourth Proportional to 7,443.22, 11,165.06 and 3,743.43

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Solution

The fourth proportional to 7,443.22, 11,165.06 and 3,743.43 is: 5,615.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.22 : 11,165.06 = 3,743.43 : x
  2. Step 2: Convert to fraction form
    7,443.22/11,165.06 = 3,743.43/x
  3. Step 3: Cross multiply
    7,443.22x = 11,165.06 × 3,743.43
  4. Step 4: Simplify right side
    7,443.22x = 41,795,588.05
  5. Step 5: Solve for x
    x = 41,795,588.05/7,443.22
  6. Step 6: Final answer
    x = 5,615.26

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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.