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Finding the Fourth Proportional to 6,003.90, 8,993.70 and 4,910.40

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Solution

The fourth proportional to 6,003.90, 8,993.70 and 4,910.40 is: 7,355.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,003.90 : 8,993.70 = 4,910.40 : x
  2. Step 2: Convert to fraction form
    6,003.90/8,993.70 = 4,910.40/x
  3. Step 3: Cross multiply
    6,003.90x = 8,993.70 × 4,910.40
  4. Step 4: Simplify right side
    6,003.90x = 44,162,664.48
  5. Step 5: Solve for x
    x = 44,162,664.48/6,003.90
  6. Step 6: Final answer
    x = 7,355.66

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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.