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Finding the Fourth Proportional to 4,734.28, 7,101.22 and 1,812.41

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Solution

The fourth proportional to 4,734.28, 7,101.22 and 1,812.41 is: 2,718.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,734.28 : 7,101.22 = 1,812.41 : x
  2. Step 2: Convert to fraction form
    4,734.28/7,101.22 = 1,812.41/x
  3. Step 3: Cross multiply
    4,734.28x = 7,101.22 × 1,812.41
  4. Step 4: Simplify right side
    4,734.28x = 12,870,322.14
  5. Step 5: Solve for x
    x = 12,870,322.14/4,734.28
  6. Step 6: Final answer
    x = 2,718.54

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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.