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Finding the Fourth Proportional to 5,920.62, 8,170.62 and 3,268.14

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Solution

The fourth proportional to 5,920.62, 8,170.62 and 3,268.14 is: 4,510.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.62 : 8,170.62 = 3,268.14 : x
  2. Step 2: Convert to fraction form
    5,920.62/8,170.62 = 3,268.14/x
  3. Step 3: Cross multiply
    5,920.62x = 8,170.62 × 3,268.14
  4. Step 4: Simplify right side
    5,920.62x = 26,702,730.05
  5. Step 5: Solve for x
    x = 26,702,730.05/5,920.62
  6. Step 6: Final answer
    x = 4,510.12

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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.