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Finding the Fourth Proportional to 7,662.44, 11,495.80 and 2,732.58

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Solution

The fourth proportional to 7,662.44, 11,495.80 and 2,732.58 is: 4,099.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,662.44 : 11,495.80 = 2,732.58 : x
  2. Step 2: Convert to fraction form
    7,662.44/11,495.80 = 2,732.58/x
  3. Step 3: Cross multiply
    7,662.44x = 11,495.80 × 2,732.58
  4. Step 4: Simplify right side
    7,662.44x = 31,413,193.16
  5. Step 5: Solve for x
    x = 31,413,193.16/7,662.44
  6. Step 6: Final answer
    x = 4,099.63

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1.5x scale

Why These Related Problems?

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