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Finding the Fourth Proportional to 1,729.62, 2,594.76 and 852.54

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Solution

The fourth proportional to 1,729.62, 2,594.76 and 852.54 is: 1,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.62 : 2,594.76 = 852.54 : x
  2. Step 2: Convert to fraction form
    1,729.62/2,594.76 = 852.54/x
  3. Step 3: Cross multiply
    1,729.62x = 2,594.76 × 852.54
  4. Step 4: Simplify right side
    1,729.62x = 2,212,136.69
  5. Step 5: Solve for x
    x = 2,212,136.69/1,729.62
  6. Step 6: Final answer
    x = 1,278.97

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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.