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Finding the Fourth Proportional to 3,300.52, 4,950.02 and 959.92

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Solution

The fourth proportional to 3,300.52, 4,950.02 and 959.92 is: 1,439.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.52 : 4,950.02 = 959.92 : x
  2. Step 2: Convert to fraction form
    3,300.52/4,950.02 = 959.92/x
  3. Step 3: Cross multiply
    3,300.52x = 4,950.02 × 959.92
  4. Step 4: Simplify right side
    3,300.52x = 4,751,623.20
  5. Step 5: Solve for x
    x = 4,751,623.20/3,300.52
  6. Step 6: Final answer
    x = 1,439.66

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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.