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Finding the Fourth Proportional to 1,749.54, 2,623.52 and 516.52

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Solution

The fourth proportional to 1,749.54, 2,623.52 and 516.52 is: 774.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.54 : 2,623.52 = 516.52 : x
  2. Step 2: Convert to fraction form
    1,749.54/2,623.52 = 516.52/x
  3. Step 3: Cross multiply
    1,749.54x = 2,623.52 × 516.52
  4. Step 4: Simplify right side
    1,749.54x = 1,355,100.55
  5. Step 5: Solve for x
    x = 1,355,100.55/1,749.54
  6. Step 6: Final answer
    x = 774.55

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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.