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Finding the Fourth Proportional to 2,884.08, 4,326.06 and 936.30

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Solution

The fourth proportional to 2,884.08, 4,326.06 and 936.30 is: 1,404.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.08 : 4,326.06 = 936.30 : x
  2. Step 2: Convert to fraction form
    2,884.08/4,326.06 = 936.30/x
  3. Step 3: Cross multiply
    2,884.08x = 4,326.06 × 936.30
  4. Step 4: Simplify right side
    2,884.08x = 4,050,489.98
  5. Step 5: Solve for x
    x = 4,050,489.98/2,884.08
  6. Step 6: Final answer
    x = 1,404.43

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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.