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Finding the Fourth Proportional to 17,797.95, 26,696.58 and 5,318.01

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Solution

The fourth proportional to 17,797.95, 26,696.58 and 5,318.01 is: 7,976.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,797.95 : 26,696.58 = 5,318.01 : x
  2. Step 2: Convert to fraction form
    17,797.95/26,696.58 = 5,318.01/x
  3. Step 3: Cross multiply
    17,797.95x = 26,696.58 × 5,318.01
  4. Step 4: Simplify right side
    17,797.95x = 141,972,679.41
  5. Step 5: Solve for x
    x = 141,972,679.41/17,797.95
  6. Step 6: Final answer
    x = 7,976.91

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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.