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Finding the Fourth Proportional to 7,959.96, 11,930.04 and 4,253.04

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Solution

The fourth proportional to 7,959.96, 11,930.04 and 4,253.04 is: 6,374.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.96 : 11,930.04 = 4,253.04 : x
  2. Step 2: Convert to fraction form
    7,959.96/11,930.04 = 4,253.04/x
  3. Step 3: Cross multiply
    7,959.96x = 11,930.04 × 4,253.04
  4. Step 4: Simplify right side
    7,959.96x = 50,738,937.32
  5. Step 5: Solve for x
    x = 50,738,937.32/7,959.96
  6. Step 6: Final answer
    x = 6,374.27

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1.5x scale

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.