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Finding the Fourth Proportional to 5,513, 7,608.42 and 3,029.48

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Solution

The fourth proportional to 5,513, 7,608.42 and 3,029.48 is: 4,180.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513 : 7,608.42 = 3,029.48 : x
  2. Step 2: Convert to fraction form
    5,513/7,608.42 = 3,029.48/x
  3. Step 3: Cross multiply
    5,513x = 7,608.42 × 3,029.48
  4. Step 4: Simplify right side
    5,513x = 23,049,556.22
  5. Step 5: Solve for x
    x = 23,049,556.22/5,513
  6. Step 6: Final answer
    x = 4,180.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.