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Finding the Fourth Proportional to 3,642.56, 5,463.28 and 1,333.52

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Solution

The fourth proportional to 3,642.56, 5,463.28 and 1,333.52 is: 2,000.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.56 : 5,463.28 = 1,333.52 : x
  2. Step 2: Convert to fraction form
    3,642.56/5,463.28 = 1,333.52/x
  3. Step 3: Cross multiply
    3,642.56x = 5,463.28 × 1,333.52
  4. Step 4: Simplify right side
    3,642.56x = 7,285,393.15
  5. Step 5: Solve for x
    x = 7,285,393.15/3,642.56
  6. Step 6: Final answer
    x = 2,000.07

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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.