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Finding the Fourth Proportional to 8,406.49, 12,609.73 and 2,563.10

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Solution

The fourth proportional to 8,406.49, 12,609.73 and 2,563.10 is: 3,844.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,406.49 : 12,609.73 = 2,563.10 : x
  2. Step 2: Convert to fraction form
    8,406.49/12,609.73 = 2,563.10/x
  3. Step 3: Cross multiply
    8,406.49x = 12,609.73 × 2,563.10
  4. Step 4: Simplify right side
    8,406.49x = 32,319,998.96
  5. Step 5: Solve for x
    x = 32,319,998.96/8,406.49
  6. Step 6: Final answer
    x = 3,844.65

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Half scale
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Double scale
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Similar ratio
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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.