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Finding the Fourth Proportional to 8,563.95, 12,845.93 and 3,630.12

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Solution

The fourth proportional to 8,563.95, 12,845.93 and 3,630.12 is: 5,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,563.95 : 12,845.93 = 3,630.12 : x
  2. Step 2: Convert to fraction form
    8,563.95/12,845.93 = 3,630.12/x
  3. Step 3: Cross multiply
    8,563.95x = 12,845.93 × 3,630.12
  4. Step 4: Simplify right side
    8,563.95x = 46,632,249.26
  5. Step 5: Solve for x
    x = 46,632,249.26/8,563.95
  6. Step 6: Final answer
    x = 5,445.18

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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.