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Finding the Fourth Proportional to 3,073.01, 4,608.90 and 881.15

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Solution

The fourth proportional to 3,073.01, 4,608.90 and 881.15 is: 1,321.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.01 : 4,608.90 = 881.15 : x
  2. Step 2: Convert to fraction form
    3,073.01/4,608.90 = 881.15/x
  3. Step 3: Cross multiply
    3,073.01x = 4,608.90 × 881.15
  4. Step 4: Simplify right side
    3,073.01x = 4,061,109.19
  5. Step 5: Solve for x
    x = 4,061,109.19/3,073.01
  6. Step 6: Final answer
    x = 1,321.54

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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.