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Finding the Fourth Proportional to 5,918.37, 8,880.19 and 3,144.37

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Solution

The fourth proportional to 5,918.37, 8,880.19 and 3,144.37 is: 4,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.37 : 8,880.19 = 3,144.37 : x
  2. Step 2: Convert to fraction form
    5,918.37/8,880.19 = 3,144.37/x
  3. Step 3: Cross multiply
    5,918.37x = 8,880.19 × 3,144.37
  4. Step 4: Simplify right side
    5,918.37x = 27,922,572.97
  5. Step 5: Solve for x
    x = 27,922,572.97/5,918.37
  6. Step 6: Final answer
    x = 4,717.95

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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.