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Finding the Fourth Proportional to 6,465.43, 8,922.04 and 3,951.75

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Solution

The fourth proportional to 6,465.43, 8,922.04 and 3,951.75 is: 5,453.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,465.43 : 8,922.04 = 3,951.75 : x
  2. Step 2: Convert to fraction form
    6,465.43/8,922.04 = 3,951.75/x
  3. Step 3: Cross multiply
    6,465.43x = 8,922.04 × 3,951.75
  4. Step 4: Simplify right side
    6,465.43x = 35,257,671.57
  5. Step 5: Solve for x
    x = 35,257,671.57/6,465.43
  6. Step 6: Final answer
    x = 5,453.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.