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Finding the Fourth Proportional to 9,236.79, 13,857.13 and 2,996.32

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Solution

The fourth proportional to 9,236.79, 13,857.13 and 2,996.32 is: 4,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,236.79 : 13,857.13 = 2,996.32 : x
  2. Step 2: Convert to fraction form
    9,236.79/13,857.13 = 2,996.32/x
  3. Step 3: Cross multiply
    9,236.79x = 13,857.13 × 2,996.32
  4. Step 4: Simplify right side
    9,236.79x = 41,520,311.49
  5. Step 5: Solve for x
    x = 41,520,311.49/9,236.79
  6. Step 6: Final answer
    x = 4,495.10

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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.