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Finding the Fourth Proportional to 3,169.48, 4,754.06 and 1,089.48

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Solution

The fourth proportional to 3,169.48, 4,754.06 and 1,089.48 is: 1,634.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.48 : 4,754.06 = 1,089.48 : x
  2. Step 2: Convert to fraction form
    3,169.48/4,754.06 = 1,089.48/x
  3. Step 3: Cross multiply
    3,169.48x = 4,754.06 × 1,089.48
  4. Step 4: Simplify right side
    3,169.48x = 5,179,453.29
  5. Step 5: Solve for x
    x = 5,179,453.29/3,169.48
  6. Step 6: Final answer
    x = 1,634.17

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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.