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Finding the Fourth Proportional to 7,957.53, 11,932.10 and 2,690.73

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Solution

The fourth proportional to 7,957.53, 11,932.10 and 2,690.73 is: 4,034.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.53 : 11,932.10 = 2,690.73 : x
  2. Step 2: Convert to fraction form
    7,957.53/11,932.10 = 2,690.73/x
  3. Step 3: Cross multiply
    7,957.53x = 11,932.10 × 2,690.73
  4. Step 4: Simplify right side
    7,957.53x = 32,106,045.98
  5. Step 5: Solve for x
    x = 32,106,045.98/7,957.53
  6. Step 6: Final answer
    x = 4,034.67

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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.