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Finding the Fourth Proportional to 7,381.45, 10,186.29 and 4,024.42

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Solution

The fourth proportional to 7,381.45, 10,186.29 and 4,024.42 is: 5,553.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.45 : 10,186.29 = 4,024.42 : x
  2. Step 2: Convert to fraction form
    7,381.45/10,186.29 = 4,024.42/x
  3. Step 3: Cross multiply
    7,381.45x = 10,186.29 × 4,024.42
  4. Step 4: Simplify right side
    7,381.45x = 40,993,909.20
  5. Step 5: Solve for x
    x = 40,993,909.20/7,381.45
  6. Step 6: Final answer
    x = 5,553.64

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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.