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Finding the Fourth Proportional to 27,993.94, 41,990.64 and 11,350.01

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Solution

The fourth proportional to 27,993.94, 41,990.64 and 11,350.01 is: 17,024.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,993.94 : 41,990.64 = 11,350.01 : x
  2. Step 2: Convert to fraction form
    27,993.94/41,990.64 = 11,350.01/x
  3. Step 3: Cross multiply
    27,993.94x = 41,990.64 × 11,350.01
  4. Step 4: Simplify right side
    27,993.94x = 476,594,127.16
  5. Step 5: Solve for x
    x = 476,594,127.16/27,993.94
  6. Step 6: Final answer
    x = 17,024.91

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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.