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Finding the Fourth Proportional to 17,828.92, 26,754.05 and 7,153.39

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Solution

The fourth proportional to 17,828.92, 26,754.05 and 7,153.39 is: 10,734.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,828.92 : 26,754.05 = 7,153.39 : x
  2. Step 2: Convert to fraction form
    17,828.92/26,754.05 = 7,153.39/x
  3. Step 3: Cross multiply
    17,828.92x = 26,754.05 × 7,153.39
  4. Step 4: Simplify right side
    17,828.92x = 191,382,153.73
  5. Step 5: Solve for x
    x = 191,382,153.73/17,828.92
  6. Step 6: Final answer
    x = 10,734.37

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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.