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Finding the Fourth Proportional to 1,779.37, 2,667 and 1,574.35

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Solution

The fourth proportional to 1,779.37, 2,667 and 1,574.35 is: 2,359.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.37 : 2,667 = 1,574.35 : x
  2. Step 2: Convert to fraction form
    1,779.37/2,667 = 1,574.35/x
  3. Step 3: Cross multiply
    1,779.37x = 2,667 × 1,574.35
  4. Step 4: Simplify right side
    1,779.37x = 4,198,791.45
  5. Step 5: Solve for x
    x = 4,198,791.45/1,779.37
  6. Step 6: Final answer
    x = 2,359.71

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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.