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Finding the Fourth Proportional to 1,027.06, 1,416.74 and 584.86

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Solution

The fourth proportional to 1,027.06, 1,416.74 and 584.86 is: 806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.06 : 1,416.74 = 584.86 : x
  2. Step 2: Convert to fraction form
    1,027.06/1,416.74 = 584.86/x
  3. Step 3: Cross multiply
    1,027.06x = 1,416.74 × 584.86
  4. Step 4: Simplify right side
    1,027.06x = 828,594.56
  5. Step 5: Solve for x
    x = 828,594.56/1,027.06
  6. Step 6: Final answer
    x = 806.76

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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.