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Finding the Fourth Proportional to 6,765.81, 9,336.76 and 3,740.92

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Solution

The fourth proportional to 6,765.81, 9,336.76 and 3,740.92 is: 5,162.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.81 : 9,336.76 = 3,740.92 : x
  2. Step 2: Convert to fraction form
    6,765.81/9,336.76 = 3,740.92/x
  3. Step 3: Cross multiply
    6,765.81x = 9,336.76 × 3,740.92
  4. Step 4: Simplify right side
    6,765.81x = 34,928,072.22
  5. Step 5: Solve for x
    x = 34,928,072.22/6,765.81
  6. Step 6: Final answer
    x = 5,162.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.