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Finding the Fourth Proportional to 2,383.98, 3,575.96 and 1,085.54

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Solution

The fourth proportional to 2,383.98, 3,575.96 and 1,085.54 is: 1,628.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.98 : 3,575.96 = 1,085.54 : x
  2. Step 2: Convert to fraction form
    2,383.98/3,575.96 = 1,085.54/x
  3. Step 3: Cross multiply
    2,383.98x = 3,575.96 × 1,085.54
  4. Step 4: Simplify right side
    2,383.98x = 3,881,847.62
  5. Step 5: Solve for x
    x = 3,881,847.62/2,383.98
  6. Step 6: Final answer
    x = 1,628.31

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1.5x scale

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.