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Finding the Fourth Proportional to 2,950.38, 4,426.06 and 976.48

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Solution

The fourth proportional to 2,950.38, 4,426.06 and 976.48 is: 1,464.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.38 : 4,426.06 = 976.48 : x
  2. Step 2: Convert to fraction form
    2,950.38/4,426.06 = 976.48/x
  3. Step 3: Cross multiply
    2,950.38x = 4,426.06 × 976.48
  4. Step 4: Simplify right side
    2,950.38x = 4,321,959.07
  5. Step 5: Solve for x
    x = 4,321,959.07/2,950.38
  6. Step 6: Final answer
    x = 1,464.88

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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.