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Finding the Fourth Proportional to 1,467.75, 2,025.43 and 804.58

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Solution

The fourth proportional to 1,467.75, 2,025.43 and 804.58 is: 1,110.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.75 : 2,025.43 = 804.58 : x
  2. Step 2: Convert to fraction form
    1,467.75/2,025.43 = 804.58/x
  3. Step 3: Cross multiply
    1,467.75x = 2,025.43 × 804.58
  4. Step 4: Simplify right side
    1,467.75x = 1,629,620.47
  5. Step 5: Solve for x
    x = 1,629,620.47/1,467.75
  6. Step 6: Final answer
    x = 1,110.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.