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Finding the Fourth Proportional to 5,747.26, 8,622.32 and 1,643.26

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Solution

The fourth proportional to 5,747.26, 8,622.32 and 1,643.26 is: 2,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747.26 : 8,622.32 = 1,643.26 : x
  2. Step 2: Convert to fraction form
    5,747.26/8,622.32 = 1,643.26/x
  3. Step 3: Cross multiply
    5,747.26x = 8,622.32 × 1,643.26
  4. Step 4: Simplify right side
    5,747.26x = 14,168,713.56
  5. Step 5: Solve for x
    x = 14,168,713.56/5,747.26
  6. Step 6: Final answer
    x = 2,465.30

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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.