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Finding the Fourth Proportional to 7,522.68, 10,381.32 and 4,165.74

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Solution

The fourth proportional to 7,522.68, 10,381.32 and 4,165.74 is: 5,748.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,522.68 : 10,381.32 = 4,165.74 : x
  2. Step 2: Convert to fraction form
    7,522.68/10,381.32 = 4,165.74/x
  3. Step 3: Cross multiply
    7,522.68x = 10,381.32 × 4,165.74
  4. Step 4: Simplify right side
    7,522.68x = 43,245,879.98
  5. Step 5: Solve for x
    x = 43,245,879.98/7,522.68
  6. Step 6: Final answer
    x = 5,748.73

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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.