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Finding the Fourth Proportional to 7,295.72, 10,942.54 and 4,165.56

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Solution

The fourth proportional to 7,295.72, 10,942.54 and 4,165.56 is: 6,247.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295.72 : 10,942.54 = 4,165.56 : x
  2. Step 2: Convert to fraction form
    7,295.72/10,942.54 = 4,165.56/x
  3. Step 3: Cross multiply
    7,295.72x = 10,942.54 × 4,165.56
  4. Step 4: Simplify right side
    7,295.72x = 45,581,806.92
  5. Step 5: Solve for x
    x = 45,581,806.92/7,295.72
  6. Step 6: Final answer
    x = 6,247.75

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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.