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Finding the Fourth Proportional to 2,846.66, 4,270.26 and 898.88

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Solution

The fourth proportional to 2,846.66, 4,270.26 and 898.88 is: 1,348.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.66 : 4,270.26 = 898.88 : x
  2. Step 2: Convert to fraction form
    2,846.66/4,270.26 = 898.88/x
  3. Step 3: Cross multiply
    2,846.66x = 4,270.26 × 898.88
  4. Step 4: Simplify right side
    2,846.66x = 3,838,451.31
  5. Step 5: Solve for x
    x = 3,838,451.31/2,846.66
  6. Step 6: Final answer
    x = 1,348.41

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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.