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Finding the Fourth Proportional to 2,340.63, 3,509.91 and 1,169.73

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Solution

The fourth proportional to 2,340.63, 3,509.91 and 1,169.73 is: 1,754.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.63 : 3,509.91 = 1,169.73 : x
  2. Step 2: Convert to fraction form
    2,340.63/3,509.91 = 1,169.73/x
  3. Step 3: Cross multiply
    2,340.63x = 3,509.91 × 1,169.73
  4. Step 4: Simplify right side
    2,340.63x = 4,105,647.02
  5. Step 5: Solve for x
    x = 4,105,647.02/2,340.63
  6. Step 6: Final answer
    x = 1,754.08

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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.