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Finding the Fourth Proportional to 5,749.36, 8,625.42 and 3,411.16

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Solution

The fourth proportional to 5,749.36, 8,625.42 and 3,411.16 is: 5,117.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.36 : 8,625.42 = 3,411.16 : x
  2. Step 2: Convert to fraction form
    5,749.36/8,625.42 = 3,411.16/x
  3. Step 3: Cross multiply
    5,749.36x = 8,625.42 × 3,411.16
  4. Step 4: Simplify right side
    5,749.36x = 29,422,687.69
  5. Step 5: Solve for x
    x = 29,422,687.69/5,749.36
  6. Step 6: Final answer
    x = 5,117.56

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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.