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Finding the Fourth Proportional to 1,783.98, 2,460.12 and 1,084.92

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Solution

The fourth proportional to 1,783.98, 2,460.12 and 1,084.92 is: 1,496.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783.98 : 2,460.12 = 1,084.92 : x
  2. Step 2: Convert to fraction form
    1,783.98/2,460.12 = 1,084.92/x
  3. Step 3: Cross multiply
    1,783.98x = 2,460.12 × 1,084.92
  4. Step 4: Simplify right side
    1,783.98x = 2,669,033.39
  5. Step 5: Solve for x
    x = 2,669,033.39/1,783.98
  6. Step 6: Final answer
    x = 1,496.11

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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.