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Finding the Fourth Proportional to 2,967.60, 4,453.02 and 1,872.48

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Solution

The fourth proportional to 2,967.60, 4,453.02 and 1,872.48 is: 2,809.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.60 : 4,453.02 = 1,872.48 : x
  2. Step 2: Convert to fraction form
    2,967.60/4,453.02 = 1,872.48/x
  3. Step 3: Cross multiply
    2,967.60x = 4,453.02 × 1,872.48
  4. Step 4: Simplify right side
    2,967.60x = 8,338,190.89
  5. Step 5: Solve for x
    x = 8,338,190.89/2,967.60
  6. Step 6: Final answer
    x = 2,809.74

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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.