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Finding the Fourth Proportional to 1,263.04, 1,896.62 and 950.74

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Solution

The fourth proportional to 1,263.04, 1,896.62 and 950.74 is: 1,427.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.04 : 1,896.62 = 950.74 : x
  2. Step 2: Convert to fraction form
    1,263.04/1,896.62 = 950.74/x
  3. Step 3: Cross multiply
    1,263.04x = 1,896.62 × 950.74
  4. Step 4: Simplify right side
    1,263.04x = 1,803,183.00
  5. Step 5: Solve for x
    x = 1,803,183.00/1,263.04
  6. Step 6: Final answer
    x = 1,427.65

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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.