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Finding the Fourth Proportional to 27,806.05, 41,709.07 and 7,029.55

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Solution

The fourth proportional to 27,806.05, 41,709.07 and 7,029.55 is: 10,544.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,806.05 : 41,709.07 = 7,029.55 : x
  2. Step 2: Convert to fraction form
    27,806.05/41,709.07 = 7,029.55/x
  3. Step 3: Cross multiply
    27,806.05x = 41,709.07 × 7,029.55
  4. Step 4: Simplify right side
    27,806.05x = 293,195,784.47
  5. Step 5: Solve for x
    x = 293,195,784.47/27,806.05
  6. Step 6: Final answer
    x = 10,544.32

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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.