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Finding the Fourth Proportional to 6,108.48, 8,429.70 and 3,313.98

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Solution

The fourth proportional to 6,108.48, 8,429.70 and 3,313.98 is: 4,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.48 : 8,429.70 = 3,313.98 : x
  2. Step 2: Convert to fraction form
    6,108.48/8,429.70 = 3,313.98/x
  3. Step 3: Cross multiply
    6,108.48x = 8,429.70 × 3,313.98
  4. Step 4: Simplify right side
    6,108.48x = 27,935,857.21
  5. Step 5: Solve for x
    x = 27,935,857.21/6,108.48
  6. Step 6: Final answer
    x = 4,573.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.