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Finding the Fourth Proportional to 18,650.00, 27,975.08 and 7,556.90

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Solution

The fourth proportional to 18,650.00, 27,975.08 and 7,556.90 is: 11,335.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.00 : 27,975.08 = 7,556.90 : x
  2. Step 2: Convert to fraction form
    18,650.00/27,975.08 = 7,556.90/x
  3. Step 3: Cross multiply
    18,650.00x = 27,975.08 × 7,556.90
  4. Step 4: Simplify right side
    18,650.00x = 211,404,918.43
  5. Step 5: Solve for x
    x = 211,404,918.43/18,650.00
  6. Step 6: Final answer
    x = 11,335.38

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1.5x scale

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.