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Finding the Fourth Proportional to 7,168.68, 10,751.16 and 2,783.73

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Solution

The fourth proportional to 7,168.68, 10,751.16 and 2,783.73 is: 4,174.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.68 : 10,751.16 = 2,783.73 : x
  2. Step 2: Convert to fraction form
    7,168.68/10,751.16 = 2,783.73/x
  3. Step 3: Cross multiply
    7,168.68x = 10,751.16 × 2,783.73
  4. Step 4: Simplify right side
    7,168.68x = 29,928,326.63
  5. Step 5: Solve for x
    x = 29,928,326.63/7,168.68
  6. Step 6: Final answer
    x = 4,174.87

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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.