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Finding the Fourth Proportional to 7,300.92, 10,934.97 and 5,119.39

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Solution

The fourth proportional to 7,300.92, 10,934.97 and 5,119.39 is: 7,667.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.92 : 10,934.97 = 5,119.39 : x
  2. Step 2: Convert to fraction form
    7,300.92/10,934.97 = 5,119.39/x
  3. Step 3: Cross multiply
    7,300.92x = 10,934.97 × 5,119.39
  4. Step 4: Simplify right side
    7,300.92x = 55,980,370.54
  5. Step 5: Solve for x
    x = 55,980,370.54/7,300.92
  6. Step 6: Final answer
    x = 7,667.57

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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.