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Finding the Fourth Proportional to 5,351.63, 8,017.06 and 3,943.49

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Solution

The fourth proportional to 5,351.63, 8,017.06 and 3,943.49 is: 5,907.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.63 : 8,017.06 = 3,943.49 : x
  2. Step 2: Convert to fraction form
    5,351.63/8,017.06 = 3,943.49/x
  3. Step 3: Cross multiply
    5,351.63x = 8,017.06 × 3,943.49
  4. Step 4: Simplify right side
    5,351.63x = 31,615,195.80
  5. Step 5: Solve for x
    x = 31,615,195.80/5,351.63
  6. Step 6: Final answer
    x = 5,907.58

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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.