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Finding the Fourth Proportional to 1,651.08, 2,474.25 and 993.23

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Solution

The fourth proportional to 1,651.08, 2,474.25 and 993.23 is: 1,488.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.08 : 2,474.25 = 993.23 : x
  2. Step 2: Convert to fraction form
    1,651.08/2,474.25 = 993.23/x
  3. Step 3: Cross multiply
    1,651.08x = 2,474.25 × 993.23
  4. Step 4: Simplify right side
    1,651.08x = 2,457,486.96
  5. Step 5: Solve for x
    x = 2,457,486.96/1,651.08
  6. Step 6: Final answer
    x = 1,488.41

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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.