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Finding the Fourth Proportional to 2,063.52, 3,096 and 830.24

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Solution

The fourth proportional to 2,063.52, 3,096 and 830.24 is: 1,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,063.52 : 3,096 = 830.24 : x
  2. Step 2: Convert to fraction form
    2,063.52/3,096 = 830.24/x
  3. Step 3: Cross multiply
    2,063.52x = 3,096 × 830.24
  4. Step 4: Simplify right side
    2,063.52x = 2,570,423.04
  5. Step 5: Solve for x
    x = 2,570,423.04/2,063.52
  6. Step 6: Final answer
    x = 1,245.65

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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.