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Finding the Fourth Proportional to 17,754.52, 26,630.74 and 6,660.28

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Solution

The fourth proportional to 17,754.52, 26,630.74 and 6,660.28 is: 9,990.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,754.52 : 26,630.74 = 6,660.28 : x
  2. Step 2: Convert to fraction form
    17,754.52/26,630.74 = 6,660.28/x
  3. Step 3: Cross multiply
    17,754.52x = 26,630.74 × 6,660.28
  4. Step 4: Simplify right side
    17,754.52x = 177,368,161.07
  5. Step 5: Solve for x
    x = 177,368,161.07/17,754.52
  6. Step 6: Final answer
    x = 9,990.03

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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.