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Finding the Fourth Proportional to 7,231.70, 10,847.55 and 4,607.30

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Solution

The fourth proportional to 7,231.70, 10,847.55 and 4,607.30 is: 6,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.70 : 10,847.55 = 4,607.30 : x
  2. Step 2: Convert to fraction form
    7,231.70/10,847.55 = 4,607.30/x
  3. Step 3: Cross multiply
    7,231.70x = 10,847.55 × 4,607.30
  4. Step 4: Simplify right side
    7,231.70x = 49,977,917.12
  5. Step 5: Solve for x
    x = 49,977,917.12/7,231.70
  6. Step 6: Final answer
    x = 6,910.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.