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Finding the Fourth Proportional to 17,301.42, 25,943.22 and 5,613.12

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Solution

The fourth proportional to 17,301.42, 25,943.22 and 5,613.12 is: 8,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,301.42 : 25,943.22 = 5,613.12 : x
  2. Step 2: Convert to fraction form
    17,301.42/25,943.22 = 5,613.12/x
  3. Step 3: Cross multiply
    17,301.42x = 25,943.22 × 5,613.12
  4. Step 4: Simplify right side
    17,301.42x = 145,622,407.05
  5. Step 5: Solve for x
    x = 145,622,407.05/17,301.42
  6. Step 6: Final answer
    x = 8,416.79

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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.