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Finding the Fourth Proportional to 17,625.28, 26,437.44 and 7,243.84

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Solution

The fourth proportional to 17,625.28, 26,437.44 and 7,243.84 is: 10,865.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,625.28 : 26,437.44 = 7,243.84 : x
  2. Step 2: Convert to fraction form
    17,625.28/26,437.44 = 7,243.84/x
  3. Step 3: Cross multiply
    17,625.28x = 26,437.44 × 7,243.84
  4. Step 4: Simplify right side
    17,625.28x = 191,508,585.37
  5. Step 5: Solve for x
    x = 191,508,585.37/17,625.28
  6. Step 6: Final answer
    x = 10,865.56

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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.