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Finding the Fourth Proportional to 8,260.01, 12,388.17 and 2,994.20

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Solution

The fourth proportional to 8,260.01, 12,388.17 and 2,994.20 is: 4,490.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.01 : 12,388.17 = 2,994.20 : x
  2. Step 2: Convert to fraction form
    8,260.01/12,388.17 = 2,994.20/x
  3. Step 3: Cross multiply
    8,260.01x = 12,388.17 × 2,994.20
  4. Step 4: Simplify right side
    8,260.01x = 37,092,596.67
  5. Step 5: Solve for x
    x = 37,092,596.67/8,260.01
  6. Step 6: Final answer
    x = 4,490.63

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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.