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Finding the Fourth Proportional to 1,512.09, 2,267 and 926.46

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Solution

The fourth proportional to 1,512.09, 2,267 and 926.46 is: 1,388.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.09 : 2,267 = 926.46 : x
  2. Step 2: Convert to fraction form
    1,512.09/2,267 = 926.46/x
  3. Step 3: Cross multiply
    1,512.09x = 2,267 × 926.46
  4. Step 4: Simplify right side
    1,512.09x = 2,100,284.82
  5. Step 5: Solve for x
    x = 2,100,284.82/1,512.09
  6. Step 6: Final answer
    x = 1,388.99

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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.