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Finding the Fourth Proportional to 1,468.92, 2,027.08 and 805.76

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Solution

The fourth proportional to 1,468.92, 2,027.08 and 805.76 is: 1,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.92 : 2,027.08 = 805.76 : x
  2. Step 2: Convert to fraction form
    1,468.92/2,027.08 = 805.76/x
  3. Step 3: Cross multiply
    1,468.92x = 2,027.08 × 805.76
  4. Step 4: Simplify right side
    1,468.92x = 1,633,339.98
  5. Step 5: Solve for x
    x = 1,633,339.98/1,468.92
  6. Step 6: Final answer
    x = 1,111.93

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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.