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Finding the Fourth Proportional to 1,693.51, 2,336.25 and 1,103.83

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Solution

The fourth proportional to 1,693.51, 2,336.25 and 1,103.83 is: 1,522.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.51 : 2,336.25 = 1,103.83 : x
  2. Step 2: Convert to fraction form
    1,693.51/2,336.25 = 1,103.83/x
  3. Step 3: Cross multiply
    1,693.51x = 2,336.25 × 1,103.83
  4. Step 4: Simplify right side
    1,693.51x = 2,578,822.84
  5. Step 5: Solve for x
    x = 2,578,822.84/1,693.51
  6. Step 6: Final answer
    x = 1,522.77

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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.