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Finding the Fourth Proportional to 1,796.74, 2,479.64 and 1,011.04

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Solution

The fourth proportional to 1,796.74, 2,479.64 and 1,011.04 is: 1,395.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.74 : 2,479.64 = 1,011.04 : x
  2. Step 2: Convert to fraction form
    1,796.74/2,479.64 = 1,011.04/x
  3. Step 3: Cross multiply
    1,796.74x = 2,479.64 × 1,011.04
  4. Step 4: Simplify right side
    1,796.74x = 2,507,015.23
  5. Step 5: Solve for x
    x = 2,507,015.23/1,796.74
  6. Step 6: Final answer
    x = 1,395.31

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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.