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Finding the Fourth Proportional to 1,323.97, 1,995.06 and 1,097.93

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Solution

The fourth proportional to 1,323.97, 1,995.06 and 1,097.93 is: 1,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.97 : 1,995.06 = 1,097.93 : x
  2. Step 2: Convert to fraction form
    1,323.97/1,995.06 = 1,097.93/x
  3. Step 3: Cross multiply
    1,323.97x = 1,995.06 × 1,097.93
  4. Step 4: Simplify right side
    1,323.97x = 2,190,436.23
  5. Step 5: Solve for x
    x = 2,190,436.23/1,323.97
  6. Step 6: Final answer
    x = 1,654.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.