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Finding the Fourth Proportional to 13,003, 17,944.38 and 9,283.48

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Solution

The fourth proportional to 13,003, 17,944.38 and 9,283.48 is: 12,811.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,003 : 17,944.38 = 9,283.48 : x
  2. Step 2: Convert to fraction form
    13,003/17,944.38 = 9,283.48/x
  3. Step 3: Cross multiply
    13,003x = 17,944.38 × 9,283.48
  4. Step 4: Simplify right side
    13,003x = 166,586,292.84
  5. Step 5: Solve for x
    x = 166,586,292.84/13,003
  6. Step 6: Final answer
    x = 12,811.37

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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.