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Finding the Fourth Proportional to 2,038.89, 3,058.24 and 633.30

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Solution

The fourth proportional to 2,038.89, 3,058.24 and 633.30 is: 949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.89 : 3,058.24 = 633.30 : x
  2. Step 2: Convert to fraction form
    2,038.89/3,058.24 = 633.30/x
  3. Step 3: Cross multiply
    2,038.89x = 3,058.24 × 633.30
  4. Step 4: Simplify right side
    2,038.89x = 1,936,783.39
  5. Step 5: Solve for x
    x = 1,936,783.39/2,038.89
  6. Step 6: Final answer
    x = 949.92

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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.