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Finding the Fourth Proportional to 18,556.29, 27,828.56 and 6,074.29

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Solution

The fourth proportional to 18,556.29, 27,828.56 and 6,074.29 is: 9,109.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.29 : 27,828.56 = 6,074.29 : x
  2. Step 2: Convert to fraction form
    18,556.29/27,828.56 = 6,074.29/x
  3. Step 3: Cross multiply
    18,556.29x = 27,828.56 × 6,074.29
  4. Step 4: Simplify right side
    18,556.29x = 169,038,793.69
  5. Step 5: Solve for x
    x = 169,038,793.69/18,556.29
  6. Step 6: Final answer
    x = 9,109.51

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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.