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Finding the Fourth Proportional to 1,670.97, 2,304.81 and 1,166.01

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Solution

The fourth proportional to 1,670.97, 2,304.81 and 1,166.01 is: 1,608.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.97 : 2,304.81 = 1,166.01 : x
  2. Step 2: Convert to fraction form
    1,670.97/2,304.81 = 1,166.01/x
  3. Step 3: Cross multiply
    1,670.97x = 2,304.81 × 1,166.01
  4. Step 4: Simplify right side
    1,670.97x = 2,687,431.51
  5. Step 5: Solve for x
    x = 2,687,431.51/1,670.97
  6. Step 6: Final answer
    x = 1,608.31

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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.