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Finding the Fourth Proportional to 1,796.68, 2,697.68 and 1,106.25

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Solution

The fourth proportional to 1,796.68, 2,697.68 and 1,106.25 is: 1,661.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.68 : 2,697.68 = 1,106.25 : x
  2. Step 2: Convert to fraction form
    1,796.68/2,697.68 = 1,106.25/x
  3. Step 3: Cross multiply
    1,796.68x = 2,697.68 × 1,106.25
  4. Step 4: Simplify right side
    1,796.68x = 2,984,301.15
  5. Step 5: Solve for x
    x = 2,984,301.15/1,796.68
  6. Step 6: Final answer
    x = 1,661.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.