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Finding the Fourth Proportional to 5,990.92, 8,980.30 and 2,292.20

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Solution

The fourth proportional to 5,990.92, 8,980.30 and 2,292.20 is: 3,435.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.92 : 8,980.30 = 2,292.20 : x
  2. Step 2: Convert to fraction form
    5,990.92/8,980.30 = 2,292.20/x
  3. Step 3: Cross multiply
    5,990.92x = 8,980.30 × 2,292.20
  4. Step 4: Simplify right side
    5,990.92x = 20,584,643.66
  5. Step 5: Solve for x
    x = 20,584,643.66/5,990.92
  6. Step 6: Final answer
    x = 3,435.97

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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.