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Finding the Fourth Proportional to 1,067.41, 1,473.69 and 675.01

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Solution

The fourth proportional to 1,067.41, 1,473.69 and 675.01 is: 931.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.41 : 1,473.69 = 675.01 : x
  2. Step 2: Convert to fraction form
    1,067.41/1,473.69 = 675.01/x
  3. Step 3: Cross multiply
    1,067.41x = 1,473.69 × 675.01
  4. Step 4: Simplify right side
    1,067.41x = 994,755.49
  5. Step 5: Solve for x
    x = 994,755.49/1,067.41
  6. Step 6: Final answer
    x = 931.93

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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.