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Finding the Fourth Proportional to 1,797.42, 2,699.10 and 1,358.67

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Solution

The fourth proportional to 1,797.42, 2,699.10 and 1,358.67 is: 2,040.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.42 : 2,699.10 = 1,358.67 : x
  2. Step 2: Convert to fraction form
    1,797.42/2,699.10 = 1,358.67/x
  3. Step 3: Cross multiply
    1,797.42x = 2,699.10 × 1,358.67
  4. Step 4: Simplify right side
    1,797.42x = 3,667,186.20
  5. Step 5: Solve for x
    x = 3,667,186.20/1,797.42
  6. Step 6: Final answer
    x = 2,040.25

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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.