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Finding the Fourth Proportional to 8,433.04, 12,649.56 and 3,499.60

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Solution

The fourth proportional to 8,433.04, 12,649.56 and 3,499.60 is: 5,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.04 : 12,649.56 = 3,499.60 : x
  2. Step 2: Convert to fraction form
    8,433.04/12,649.56 = 3,499.60/x
  3. Step 3: Cross multiply
    8,433.04x = 12,649.56 × 3,499.60
  4. Step 4: Simplify right side
    8,433.04x = 44,268,400.18
  5. Step 5: Solve for x
    x = 44,268,400.18/8,433.04
  6. Step 6: Final answer
    x = 5,249.40

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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.