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Finding the Fourth Proportional to 2,938.02, 4,403.11 and 1,551.03

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Solution

The fourth proportional to 2,938.02, 4,403.11 and 1,551.03 is: 2,324.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.02 : 4,403.11 = 1,551.03 : x
  2. Step 2: Convert to fraction form
    2,938.02/4,403.11 = 1,551.03/x
  3. Step 3: Cross multiply
    2,938.02x = 4,403.11 × 1,551.03
  4. Step 4: Simplify right side
    2,938.02x = 6,829,355.70
  5. Step 5: Solve for x
    x = 6,829,355.70/2,938.02
  6. Step 6: Final answer
    x = 2,324.48

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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.