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Finding the Fourth Proportional to 2,908.74, 4,014.02 and 1,582.44

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Solution

The fourth proportional to 2,908.74, 4,014.02 and 1,582.44 is: 2,183.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.74 : 4,014.02 = 1,582.44 : x
  2. Step 2: Convert to fraction form
    2,908.74/4,014.02 = 1,582.44/x
  3. Step 3: Cross multiply
    2,908.74x = 4,014.02 × 1,582.44
  4. Step 4: Simplify right side
    2,908.74x = 6,351,934.71
  5. Step 5: Solve for x
    x = 6,351,934.71/2,908.74
  6. Step 6: Final answer
    x = 2,183.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.