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Finding the Fourth Proportional to 1,394.88, 2,093.16 and 529.26

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Solution

The fourth proportional to 1,394.88, 2,093.16 and 529.26 is: 794.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394.88 : 2,093.16 = 529.26 : x
  2. Step 2: Convert to fraction form
    1,394.88/2,093.16 = 529.26/x
  3. Step 3: Cross multiply
    1,394.88x = 2,093.16 × 529.26
  4. Step 4: Simplify right side
    1,394.88x = 1,107,825.86
  5. Step 5: Solve for x
    x = 1,107,825.86/1,394.88
  6. Step 6: Final answer
    x = 794.21

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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.