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Finding the Fourth Proportional to 4,928.99, 7,396.31 and 2,007.32

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Solution

The fourth proportional to 4,928.99, 7,396.31 and 2,007.32 is: 3,012.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.99 : 7,396.31 = 2,007.32 : x
  2. Step 2: Convert to fraction form
    4,928.99/7,396.31 = 2,007.32/x
  3. Step 3: Cross multiply
    4,928.99x = 7,396.31 × 2,007.32
  4. Step 4: Simplify right side
    4,928.99x = 14,846,729.03
  5. Step 5: Solve for x
    x = 14,846,729.03/4,928.99
  6. Step 6: Final answer
    x = 3,012.13

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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.