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Finding the Fourth Proportional to 4,927.14, 7,392.60 and 2,007.90

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Solution

The fourth proportional to 4,927.14, 7,392.60 and 2,007.90 is: 3,012.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.14 : 7,392.60 = 2,007.90 : x
  2. Step 2: Convert to fraction form
    4,927.14/7,392.60 = 2,007.90/x
  3. Step 3: Cross multiply
    4,927.14x = 7,392.60 × 2,007.90
  4. Step 4: Simplify right side
    4,927.14x = 14,843,601.54
  5. Step 5: Solve for x
    x = 14,843,601.54/4,927.14
  6. Step 6: Final answer
    x = 3,012.62

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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.