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Finding the Fourth Proportional to 5,863.21, 8,794.90 and 1,914.45

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Solution

The fourth proportional to 5,863.21, 8,794.90 and 1,914.45 is: 2,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.21 : 8,794.90 = 1,914.45 : x
  2. Step 2: Convert to fraction form
    5,863.21/8,794.90 = 1,914.45/x
  3. Step 3: Cross multiply
    5,863.21x = 8,794.90 × 1,914.45
  4. Step 4: Simplify right side
    5,863.21x = 16,837,352.33
  5. Step 5: Solve for x
    x = 16,837,352.33/5,863.21
  6. Step 6: Final answer
    x = 2,871.70

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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.