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Finding the Fourth Proportional to 5,906.96, 8,860.92 and 2,158.32

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Solution

The fourth proportional to 5,906.96, 8,860.92 and 2,158.32 is: 3,237.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,906.96 : 8,860.92 = 2,158.32 : x
  2. Step 2: Convert to fraction form
    5,906.96/8,860.92 = 2,158.32/x
  3. Step 3: Cross multiply
    5,906.96x = 8,860.92 × 2,158.32
  4. Step 4: Simplify right side
    5,906.96x = 19,124,700.85
  5. Step 5: Solve for x
    x = 19,124,700.85/5,906.96
  6. Step 6: Final answer
    x = 3,237.66

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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.