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Finding the Fourth Proportional to 8,993.88, 13,491.36 and 3,798

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Solution

The fourth proportional to 8,993.88, 13,491.36 and 3,798 is: 5,697.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.88 : 13,491.36 = 3,798 : x
  2. Step 2: Convert to fraction form
    8,993.88/13,491.36 = 3,798/x
  3. Step 3: Cross multiply
    8,993.88x = 13,491.36 × 3,798
  4. Step 4: Simplify right side
    8,993.88x = 51,240,185.28
  5. Step 5: Solve for x
    x = 51,240,185.28/8,993.88
  6. Step 6: Final answer
    x = 5,697.23

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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.