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Finding the Fourth Proportional to 2,296.68, 3,169.26 and 1,365

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Solution

The fourth proportional to 2,296.68, 3,169.26 and 1,365 is: 1,883.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.68 : 3,169.26 = 1,365 : x
  2. Step 2: Convert to fraction form
    2,296.68/3,169.26 = 1,365/x
  3. Step 3: Cross multiply
    2,296.68x = 3,169.26 × 1,365
  4. Step 4: Simplify right side
    2,296.68x = 4,326,039.90
  5. Step 5: Solve for x
    x = 4,326,039.90/2,296.68
  6. Step 6: Final answer
    x = 1,883.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.