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Finding the Fourth Proportional to 2,336.64, 3,505.02 and 798.72

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Solution

The fourth proportional to 2,336.64, 3,505.02 and 798.72 is: 1,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.64 : 3,505.02 = 798.72 : x
  2. Step 2: Convert to fraction form
    2,336.64/3,505.02 = 798.72/x
  3. Step 3: Cross multiply
    2,336.64x = 3,505.02 × 798.72
  4. Step 4: Simplify right side
    2,336.64x = 2,799,529.57
  5. Step 5: Solve for x
    x = 2,799,529.57/2,336.64
  6. Step 6: Final answer
    x = 1,198.10

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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.