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Finding the Fourth Proportional to 2,295.66, 3,438.63 and 2,269.74

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Solution

The fourth proportional to 2,295.66, 3,438.63 and 2,269.74 is: 3,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.66 : 3,438.63 = 2,269.74 : x
  2. Step 2: Convert to fraction form
    2,295.66/3,438.63 = 2,269.74/x
  3. Step 3: Cross multiply
    2,295.66x = 3,438.63 × 2,269.74
  4. Step 4: Simplify right side
    2,295.66x = 7,804,796.06
  5. Step 5: Solve for x
    x = 7,804,796.06/2,295.66
  6. Step 6: Final answer
    x = 3,399.80

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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.