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Finding the Fourth Proportional to 7,134, 10,700.79 and 2,202.93

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Solution

The fourth proportional to 7,134, 10,700.79 and 2,202.93 is: 3,304.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134 : 10,700.79 = 2,202.93 : x
  2. Step 2: Convert to fraction form
    7,134/10,700.79 = 2,202.93/x
  3. Step 3: Cross multiply
    7,134x = 10,700.79 × 2,202.93
  4. Step 4: Simplify right side
    7,134x = 23,573,091.31
  5. Step 5: Solve for x
    x = 23,573,091.31/7,134
  6. Step 6: Final answer
    x = 3,304.33

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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.