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Finding the Fourth Proportional to 1,693.68, 2,339.52 and 1,363.35

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Solution

The fourth proportional to 1,693.68, 2,339.52 and 1,363.35 is: 1,883.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.68 : 2,339.52 = 1,363.35 : x
  2. Step 2: Convert to fraction form
    1,693.68/2,339.52 = 1,363.35/x
  3. Step 3: Cross multiply
    1,693.68x = 2,339.52 × 1,363.35
  4. Step 4: Simplify right side
    1,693.68x = 3,189,584.59
  5. Step 5: Solve for x
    x = 3,189,584.59/1,693.68
  6. Step 6: Final answer
    x = 1,883.23

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