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Finding the Fourth Proportional to 2,593, 3,891.12 and 1,054

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Solution

The fourth proportional to 2,593, 3,891.12 and 1,054 is: 1,581.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,593 : 3,891.12 = 1,054 : x
  2. Step 2: Convert to fraction form
    2,593/3,891.12 = 1,054/x
  3. Step 3: Cross multiply
    2,593x = 3,891.12 × 1,054
  4. Step 4: Simplify right side
    2,593x = 4,101,240.48
  5. Step 5: Solve for x
    x = 4,101,240.48/2,593
  6. Step 6: Final answer
    x = 1,581.66

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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.