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Finding the Fourth Proportional to 5,863.16, 8,786.46 and 5,168.36

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Solution

The fourth proportional to 5,863.16, 8,786.46 and 5,168.36 is: 7,745.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.16 : 8,786.46 = 5,168.36 : x
  2. Step 2: Convert to fraction form
    5,863.16/8,786.46 = 5,168.36/x
  3. Step 3: Cross multiply
    5,863.16x = 8,786.46 × 5,168.36
  4. Step 4: Simplify right side
    5,863.16x = 45,411,588.41
  5. Step 5: Solve for x
    x = 45,411,588.41/5,863.16
  6. Step 6: Final answer
    x = 7,745.24

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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.