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Finding the Fourth Proportional to 8,563.21, 12,845.84 and 3,632.21

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Solution

The fourth proportional to 8,563.21, 12,845.84 and 3,632.21 is: 5,448.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,563.21 : 12,845.84 = 3,632.21 : x
  2. Step 2: Convert to fraction form
    8,563.21/12,845.84 = 3,632.21/x
  3. Step 3: Cross multiply
    8,563.21x = 12,845.84 × 3,632.21
  4. Step 4: Simplify right side
    8,563.21x = 46,658,706.12
  5. Step 5: Solve for x
    x = 46,658,706.12/8,563.21
  6. Step 6: Final answer
    x = 5,448.74

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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.