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Finding the Fourth Proportional to 1,468.61, 2,027.61 and 1,027.56

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Solution

The fourth proportional to 1,468.61, 2,027.61 and 1,027.56 is: 1,418.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.61 : 2,027.61 = 1,027.56 : x
  2. Step 2: Convert to fraction form
    1,468.61/2,027.61 = 1,027.56/x
  3. Step 3: Cross multiply
    1,468.61x = 2,027.61 × 1,027.56
  4. Step 4: Simplify right side
    1,468.61x = 2,083,490.93
  5. Step 5: Solve for x
    x = 2,083,490.93/1,468.61
  6. Step 6: Final answer
    x = 1,418.68

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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.