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Finding the Fourth Proportional to 22,556.88, 33,837.60 and 7,763.85

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Solution

The fourth proportional to 22,556.88, 33,837.60 and 7,763.85 is: 11,646.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,556.88 : 33,837.60 = 7,763.85 : x
  2. Step 2: Convert to fraction form
    22,556.88/33,837.60 = 7,763.85/x
  3. Step 3: Cross multiply
    22,556.88x = 33,837.60 × 7,763.85
  4. Step 4: Simplify right side
    22,556.88x = 262,710,011.94
  5. Step 5: Solve for x
    x = 262,710,011.94/22,556.88
  6. Step 6: Final answer
    x = 11,646.56

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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.