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Finding the Fourth Proportional to 1,033.92, 1,550.82 and 623.82

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Solution

The fourth proportional to 1,033.92, 1,550.82 and 623.82 is: 935.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.92 : 1,550.82 = 623.82 : x
  2. Step 2: Convert to fraction form
    1,033.92/1,550.82 = 623.82/x
  3. Step 3: Cross multiply
    1,033.92x = 1,550.82 × 623.82
  4. Step 4: Simplify right side
    1,033.92x = 967,432.53
  5. Step 5: Solve for x
    x = 967,432.53/1,033.92
  6. Step 6: Final answer
    x = 935.69

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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.