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Finding the Fourth Proportional to 2,669.68, 4,002.54 and 2,010.88

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Solution

The fourth proportional to 2,669.68, 4,002.54 and 2,010.88 is: 3,014.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.68 : 4,002.54 = 2,010.88 : x
  2. Step 2: Convert to fraction form
    2,669.68/4,002.54 = 2,010.88/x
  3. Step 3: Cross multiply
    2,669.68x = 4,002.54 × 2,010.88
  4. Step 4: Simplify right side
    2,669.68x = 8,048,627.64
  5. Step 5: Solve for x
    x = 8,048,627.64/2,669.68
  6. Step 6: Final answer
    x = 3,014.83

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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.