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Finding the Fourth Proportional to 9,181.99, 13,771.17 and 4,499.99

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Solution

The fourth proportional to 9,181.99, 13,771.17 and 4,499.99 is: 6,749.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.99 : 13,771.17 = 4,499.99 : x
  2. Step 2: Convert to fraction form
    9,181.99/13,771.17 = 4,499.99/x
  3. Step 3: Cross multiply
    9,181.99x = 13,771.17 × 4,499.99
  4. Step 4: Simplify right side
    9,181.99x = 61,970,058.43
  5. Step 5: Solve for x
    x = 61,970,058.43/9,181.99
  6. Step 6: Final answer
    x = 6,749.09

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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.