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Finding the Fourth Proportional to 2,697.92, 4,048.46 and 1,137.83

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Solution

The fourth proportional to 2,697.92, 4,048.46 and 1,137.83 is: 1,707.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.92 : 4,048.46 = 1,137.83 : x
  2. Step 2: Convert to fraction form
    2,697.92/4,048.46 = 1,137.83/x
  3. Step 3: Cross multiply
    2,697.92x = 4,048.46 × 1,137.83
  4. Step 4: Simplify right side
    2,697.92x = 4,606,459.24
  5. Step 5: Solve for x
    x = 4,606,459.24/2,697.92
  6. Step 6: Final answer
    x = 1,707.41

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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.