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Finding the Fourth Proportional to 3,264.42, 4,504.98 and 1,867.20

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Solution

The fourth proportional to 3,264.42, 4,504.98 and 1,867.20 is: 2,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.42 : 4,504.98 = 1,867.20 : x
  2. Step 2: Convert to fraction form
    3,264.42/4,504.98 = 1,867.20/x
  3. Step 3: Cross multiply
    3,264.42x = 4,504.98 × 1,867.20
  4. Step 4: Simplify right side
    3,264.42x = 8,411,698.66
  5. Step 5: Solve for x
    x = 8,411,698.66/3,264.42
  6. Step 6: Final answer
    x = 2,576.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.