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Finding the Fourth Proportional to 7,273.92, 10,908.48 and 2,342.40

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Solution

The fourth proportional to 7,273.92, 10,908.48 and 2,342.40 is: 3,512.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.92 : 10,908.48 = 2,342.40 : x
  2. Step 2: Convert to fraction form
    7,273.92/10,908.48 = 2,342.40/x
  3. Step 3: Cross multiply
    7,273.92x = 10,908.48 × 2,342.40
  4. Step 4: Simplify right side
    7,273.92x = 25,552,023.55
  5. Step 5: Solve for x
    x = 25,552,023.55/7,273.92
  6. Step 6: Final answer
    x = 3,512.83

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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.