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Finding the Fourth Proportional to 1,893.58, 2,613.11 and 1,054.26

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Solution

The fourth proportional to 1,893.58, 2,613.11 and 1,054.26 is: 1,454.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.58 : 2,613.11 = 1,054.26 : x
  2. Step 2: Convert to fraction form
    1,893.58/2,613.11 = 1,054.26/x
  3. Step 3: Cross multiply
    1,893.58x = 2,613.11 × 1,054.26
  4. Step 4: Simplify right side
    1,893.58x = 2,754,892.08
  5. Step 5: Solve for x
    x = 2,754,892.08/1,893.58
  6. Step 6: Final answer
    x = 1,454.86

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Why These Related Problems?

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