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Finding the Fourth Proportional to 9,236.70, 13,857.48 and 2,663.42

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Solution

The fourth proportional to 9,236.70, 13,857.48 and 2,663.42 is: 3,995.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,236.70 : 13,857.48 = 2,663.42 : x
  2. Step 2: Convert to fraction form
    9,236.70/13,857.48 = 2,663.42/x
  3. Step 3: Cross multiply
    9,236.70x = 13,857.48 × 2,663.42
  4. Step 4: Simplify right side
    9,236.70x = 36,908,220.09
  5. Step 5: Solve for x
    x = 36,908,220.09/9,236.70
  6. Step 6: Final answer
    x = 3,995.82

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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.