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Finding the Fourth Proportional to 7,955.53, 11,930.86 and 3,793.35

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Solution

The fourth proportional to 7,955.53, 11,930.86 and 3,793.35 is: 5,688.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.53 : 11,930.86 = 3,793.35 : x
  2. Step 2: Convert to fraction form
    7,955.53/11,930.86 = 3,793.35/x
  3. Step 3: Cross multiply
    7,955.53x = 11,930.86 × 3,793.35
  4. Step 4: Simplify right side
    7,955.53x = 45,257,927.78
  5. Step 5: Solve for x
    x = 45,257,927.78/7,955.53
  6. Step 6: Final answer
    x = 5,688.86

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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.