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Finding the Fourth Proportional to 1,893.83, 2,613.44 and 1,054.46

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Solution

The fourth proportional to 1,893.83, 2,613.44 and 1,054.46 is: 1,455.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.83 : 2,613.44 = 1,054.46 : x
  2. Step 2: Convert to fraction form
    1,893.83/2,613.44 = 1,054.46/x
  3. Step 3: Cross multiply
    1,893.83x = 2,613.44 × 1,054.46
  4. Step 4: Simplify right side
    1,893.83x = 2,755,749.60
  5. Step 5: Solve for x
    x = 2,755,749.60/1,893.83
  6. Step 6: Final answer
    x = 1,455.12

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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.