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Finding the Fourth Proportional to 2,950.54, 4,424.49 and 1,490.54

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Solution

The fourth proportional to 2,950.54, 4,424.49 and 1,490.54 is: 2,235.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.54 : 4,424.49 = 1,490.54 : x
  2. Step 2: Convert to fraction form
    2,950.54/4,424.49 = 1,490.54/x
  3. Step 3: Cross multiply
    2,950.54x = 4,424.49 × 1,490.54
  4. Step 4: Simplify right side
    2,950.54x = 6,594,879.32
  5. Step 5: Solve for x
    x = 6,594,879.32/2,950.54
  6. Step 6: Final answer
    x = 2,235.14

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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.