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Finding the Fourth Proportional to 8,986.95, 13,483.06 and 2,662.00

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Solution

The fourth proportional to 8,986.95, 13,483.06 and 2,662.00 is: 3,993.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.95 : 13,483.06 = 2,662.00 : x
  2. Step 2: Convert to fraction form
    8,986.95/13,483.06 = 2,662.00/x
  3. Step 3: Cross multiply
    8,986.95x = 13,483.06 × 2,662.00
  4. Step 4: Simplify right side
    8,986.95x = 35,891,865.36
  5. Step 5: Solve for x
    x = 35,891,865.36/8,986.95
  6. Step 6: Final answer
    x = 3,993.78

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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.