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Finding the Fourth Proportional to 2,263.92, 3,396.36 and 703.88

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Solution

The fourth proportional to 2,263.92, 3,396.36 and 703.88 is: 1,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.92 : 3,396.36 = 703.88 : x
  2. Step 2: Convert to fraction form
    2,263.92/3,396.36 = 703.88/x
  3. Step 3: Cross multiply
    2,263.92x = 3,396.36 × 703.88
  4. Step 4: Simplify right side
    2,263.92x = 2,390,629.88
  5. Step 5: Solve for x
    x = 2,390,629.88/2,263.92
  6. Step 6: Final answer
    x = 1,055.97

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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.