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Finding the Fourth Proportional to 8,412.62, 12,616.83 and 3,483.62

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Solution

The fourth proportional to 8,412.62, 12,616.83 and 3,483.62 is: 5,224.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.62 : 12,616.83 = 3,483.62 : x
  2. Step 2: Convert to fraction form
    8,412.62/12,616.83 = 3,483.62/x
  3. Step 3: Cross multiply
    8,412.62x = 12,616.83 × 3,483.62
  4. Step 4: Simplify right side
    8,412.62x = 43,952,241.32
  5. Step 5: Solve for x
    x = 43,952,241.32/8,412.62
  6. Step 6: Final answer
    x = 5,224.56

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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.