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Finding the Fourth Proportional to 5,954.58, 8,928.24 and 3,145.65

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Solution

The fourth proportional to 5,954.58, 8,928.24 and 3,145.65 is: 4,716.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,954.58 : 8,928.24 = 3,145.65 : x
  2. Step 2: Convert to fraction form
    5,954.58/8,928.24 = 3,145.65/x
  3. Step 3: Cross multiply
    5,954.58x = 8,928.24 × 3,145.65
  4. Step 4: Simplify right side
    5,954.58x = 28,085,140.79
  5. Step 5: Solve for x
    x = 28,085,140.79/5,954.58
  6. Step 6: Final answer
    x = 4,716.56

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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.