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Finding the Fourth Proportional to 1,751.25, 2,626.89 and 452.64

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Solution

The fourth proportional to 1,751.25, 2,626.89 and 452.64 is: 678.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.25 : 2,626.89 = 452.64 : x
  2. Step 2: Convert to fraction form
    1,751.25/2,626.89 = 452.64/x
  3. Step 3: Cross multiply
    1,751.25x = 2,626.89 × 452.64
  4. Step 4: Simplify right side
    1,751.25x = 1,189,035.49
  5. Step 5: Solve for x
    x = 1,189,035.49/1,751.25
  6. Step 6: Final answer
    x = 678.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.