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Finding the Fourth Proportional to 1,594.41, 2,392.07 and 669.49

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Solution

The fourth proportional to 1,594.41, 2,392.07 and 669.49 is: 1,004.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.41 : 2,392.07 = 669.49 : x
  2. Step 2: Convert to fraction form
    1,594.41/2,392.07 = 669.49/x
  3. Step 3: Cross multiply
    1,594.41x = 2,392.07 × 669.49
  4. Step 4: Simplify right side
    1,594.41x = 1,601,467.17
  5. Step 5: Solve for x
    x = 1,601,467.17/1,594.41
  6. Step 6: Final answer
    x = 1,004.43

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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.