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Finding the Fourth Proportional to 7,697.58, 10,622.69 and 4,160.82

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Solution

The fourth proportional to 7,697.58, 10,622.69 and 4,160.82 is: 5,741.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,697.58 : 10,622.69 = 4,160.82 : x
  2. Step 2: Convert to fraction form
    7,697.58/10,622.69 = 4,160.82/x
  3. Step 3: Cross multiply
    7,697.58x = 10,622.69 × 4,160.82
  4. Step 4: Simplify right side
    7,697.58x = 44,199,099.29
  5. Step 5: Solve for x
    x = 44,199,099.29/7,697.58
  6. Step 6: Final answer
    x = 5,741.95

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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.