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Finding the Fourth Proportional to 7,443, 11,161.16 and 5,354.25

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Solution

The fourth proportional to 7,443, 11,161.16 and 5,354.25 is: 8,028.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443 : 11,161.16 = 5,354.25 : x
  2. Step 2: Convert to fraction form
    7,443/11,161.16 = 5,354.25/x
  3. Step 3: Cross multiply
    7,443x = 11,161.16 × 5,354.25
  4. Step 4: Simplify right side
    7,443x = 59,759,614.16
  5. Step 5: Solve for x
    x = 59,759,614.16/7,443
  6. Step 6: Final answer
    x = 8,028.97

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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.