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Finding the Fourth Proportional to 3,308.64, 4,962.96 and 1,359.48

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Solution

The fourth proportional to 3,308.64, 4,962.96 and 1,359.48 is: 2,039.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.64 : 4,962.96 = 1,359.48 : x
  2. Step 2: Convert to fraction form
    3,308.64/4,962.96 = 1,359.48/x
  3. Step 3: Cross multiply
    3,308.64x = 4,962.96 × 1,359.48
  4. Step 4: Simplify right side
    3,308.64x = 6,747,044.86
  5. Step 5: Solve for x
    x = 6,747,044.86/3,308.64
  6. Step 6: Final answer
    x = 2,039.22

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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.