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Finding the Fourth Proportional to 3,169.54, 4,754.88 and 1,089.01

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Solution

The fourth proportional to 3,169.54, 4,754.88 and 1,089.01 is: 1,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.54 : 4,754.88 = 1,089.01 : x
  2. Step 2: Convert to fraction form
    3,169.54/4,754.88 = 1,089.01/x
  3. Step 3: Cross multiply
    3,169.54x = 4,754.88 × 1,089.01
  4. Step 4: Simplify right side
    3,169.54x = 5,178,082.65
  5. Step 5: Solve for x
    x = 5,178,082.65/3,169.54
  6. Step 6: Final answer
    x = 1,633.70

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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.