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Finding the Fourth Proportional to 6,222, 8,586.60 and 3,427.68

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Solution

The fourth proportional to 6,222, 8,586.60 and 3,427.68 is: 4,730.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,222 : 8,586.60 = 3,427.68 : x
  2. Step 2: Convert to fraction form
    6,222/8,586.60 = 3,427.68/x
  3. Step 3: Cross multiply
    6,222x = 8,586.60 × 3,427.68
  4. Step 4: Simplify right side
    6,222x = 29,432,117.09
  5. Step 5: Solve for x
    x = 29,432,117.09/6,222
  6. Step 6: Final answer
    x = 4,730.33

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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.