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Finding the Fourth Proportional to 1,586.96, 2,188.83 and 1,027.00

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Solution

The fourth proportional to 1,586.96, 2,188.83 and 1,027.00 is: 1,416.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.96 : 2,188.83 = 1,027.00 : x
  2. Step 2: Convert to fraction form
    1,586.96/2,188.83 = 1,027.00/x
  3. Step 3: Cross multiply
    1,586.96x = 2,188.83 × 1,027.00
  4. Step 4: Simplify right side
    1,586.96x = 2,247,926.86
  5. Step 5: Solve for x
    x = 2,247,926.86/1,586.96
  6. Step 6: Final answer
    x = 1,416.50

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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.