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Finding the Fourth Proportional to 5,912.88, 8,852.16 and 3,440.16

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Solution

The fourth proportional to 5,912.88, 8,852.16 and 3,440.16 is: 5,150.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.88 : 8,852.16 = 3,440.16 : x
  2. Step 2: Convert to fraction form
    5,912.88/8,852.16 = 3,440.16/x
  3. Step 3: Cross multiply
    5,912.88x = 8,852.16 × 3,440.16
  4. Step 4: Simplify right side
    5,912.88x = 30,452,846.75
  5. Step 5: Solve for x
    x = 30,452,846.75/5,912.88
  6. Step 6: Final answer
    x = 5,150.26

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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.