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Finding the Fourth Proportional to 5,299.98, 7,313.40 and 3,175.08

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Solution

The fourth proportional to 5,299.98, 7,313.40 and 3,175.08 is: 4,381.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.98 : 7,313.40 = 3,175.08 : x
  2. Step 2: Convert to fraction form
    5,299.98/7,313.40 = 3,175.08/x
  3. Step 3: Cross multiply
    5,299.98x = 7,313.40 × 3,175.08
  4. Step 4: Simplify right side
    5,299.98x = 23,220,630.07
  5. Step 5: Solve for x
    x = 23,220,630.07/5,299.98
  6. Step 6: Final answer
    x = 4,381.27

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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.