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Finding the Fourth Proportional to 5,182.06, 7,774.60 and 1,671.99

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Solution

The fourth proportional to 5,182.06, 7,774.60 and 1,671.99 is: 2,508.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.06 : 7,774.60 = 1,671.99 : x
  2. Step 2: Convert to fraction form
    5,182.06/7,774.60 = 1,671.99/x
  3. Step 3: Cross multiply
    5,182.06x = 7,774.60 × 1,671.99
  4. Step 4: Simplify right side
    5,182.06x = 12,999,087.83
  5. Step 5: Solve for x
    x = 12,999,087.83/5,182.06
  6. Step 6: Final answer
    x = 2,508.48

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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.