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Finding the Fourth Proportional to 7,310.50, 10,090.29 and 4,168.51

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Solution

The fourth proportional to 7,310.50, 10,090.29 and 4,168.51 is: 5,753.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.50 : 10,090.29 = 4,168.51 : x
  2. Step 2: Convert to fraction form
    7,310.50/10,090.29 = 4,168.51/x
  3. Step 3: Cross multiply
    7,310.50x = 10,090.29 × 4,168.51
  4. Step 4: Simplify right side
    7,310.50x = 42,061,474.77
  5. Step 5: Solve for x
    x = 42,061,474.77/7,310.50
  6. Step 6: Final answer
    x = 5,753.57

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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.