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Finding the Fourth Proportional to 12,433.96, 17,158.88 and 6,844.96

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Solution

The fourth proportional to 12,433.96, 17,158.88 and 6,844.96 is: 9,446.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.96 : 17,158.88 = 6,844.96 : x
  2. Step 2: Convert to fraction form
    12,433.96/17,158.88 = 6,844.96/x
  3. Step 3: Cross multiply
    12,433.96x = 17,158.88 × 6,844.96
  4. Step 4: Simplify right side
    12,433.96x = 117,451,847.24
  5. Step 5: Solve for x
    x = 117,451,847.24/12,433.96
  6. Step 6: Final answer
    x = 9,446.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.