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Finding the Fourth Proportional to 8,626.99, 11,906.23 and 4,799.01

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Solution

The fourth proportional to 8,626.99, 11,906.23 and 4,799.01 is: 6,623.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626.99 : 11,906.23 = 4,799.01 : x
  2. Step 2: Convert to fraction form
    8,626.99/11,906.23 = 4,799.01/x
  3. Step 3: Cross multiply
    8,626.99x = 11,906.23 × 4,799.01
  4. Step 4: Simplify right side
    8,626.99x = 57,138,116.83
  5. Step 5: Solve for x
    x = 57,138,116.83/8,626.99
  6. Step 6: Final answer
    x = 6,623.18

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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.