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Finding the Fourth Proportional to 9,195.90, 13,791.62 and 4,447.42

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Solution

The fourth proportional to 9,195.90, 13,791.62 and 4,447.42 is: 6,670.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195.90 : 13,791.62 = 4,447.42 : x
  2. Step 2: Convert to fraction form
    9,195.90/13,791.62 = 4,447.42/x
  3. Step 3: Cross multiply
    9,195.90x = 13,791.62 × 4,447.42
  4. Step 4: Simplify right side
    9,195.90x = 61,337,126.62
  5. Step 5: Solve for x
    x = 61,337,126.62/9,195.90
  6. Step 6: Final answer
    x = 6,670.05

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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.