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Finding the Fourth Proportional to 17,279.90, 25,914.99 and 4,796.90

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Solution

The fourth proportional to 17,279.90, 25,914.99 and 4,796.90 is: 7,194.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,279.90 : 25,914.99 = 4,796.90 : x
  2. Step 2: Convert to fraction form
    17,279.90/25,914.99 = 4,796.90/x
  3. Step 3: Cross multiply
    17,279.90x = 25,914.99 × 4,796.90
  4. Step 4: Simplify right side
    17,279.90x = 124,311,615.53
  5. Step 5: Solve for x
    x = 124,311,615.53/17,279.90
  6. Step 6: Final answer
    x = 7,194.00

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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.