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Finding the Fourth Proportional to 2,980.92, 4,472.28 and 1,033.14

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Solution

The fourth proportional to 2,980.92, 4,472.28 and 1,033.14 is: 1,550.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.92 : 4,472.28 = 1,033.14 : x
  2. Step 2: Convert to fraction form
    2,980.92/4,472.28 = 1,033.14/x
  3. Step 3: Cross multiply
    2,980.92x = 4,472.28 × 1,033.14
  4. Step 4: Simplify right side
    2,980.92x = 4,620,491.36
  5. Step 5: Solve for x
    x = 4,620,491.36/2,980.92
  6. Step 6: Final answer
    x = 1,550.02

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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.