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Finding the Fourth Proportional to 2,909.37, 4,364.37 and 1,266.09

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Solution

The fourth proportional to 2,909.37, 4,364.37 and 1,266.09 is: 1,899.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.37 : 4,364.37 = 1,266.09 : x
  2. Step 2: Convert to fraction form
    2,909.37/4,364.37 = 1,266.09/x
  3. Step 3: Cross multiply
    2,909.37x = 4,364.37 × 1,266.09
  4. Step 4: Simplify right side
    2,909.37x = 5,525,685.21
  5. Step 5: Solve for x
    x = 5,525,685.21/2,909.37
  6. Step 6: Final answer
    x = 1,899.27

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