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Finding the Fourth Proportional to 2,993.30, 4,484.72 and 1,951.64

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Solution

The fourth proportional to 2,993.30, 4,484.72 and 1,951.64 is: 2,924.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.30 : 4,484.72 = 1,951.64 : x
  2. Step 2: Convert to fraction form
    2,993.30/4,484.72 = 1,951.64/x
  3. Step 3: Cross multiply
    2,993.30x = 4,484.72 × 1,951.64
  4. Step 4: Simplify right side
    2,993.30x = 8,752,558.94
  5. Step 5: Solve for x
    x = 8,752,558.94/2,993.30
  6. Step 6: Final answer
    x = 2,924.05

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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.