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Finding the Fourth Proportional to 7,012.62, 10,520.17 and 2,394.54

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Solution

The fourth proportional to 7,012.62, 10,520.17 and 2,394.54 is: 3,592.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.62 : 10,520.17 = 2,394.54 : x
  2. Step 2: Convert to fraction form
    7,012.62/10,520.17 = 2,394.54/x
  3. Step 3: Cross multiply
    7,012.62x = 10,520.17 × 2,394.54
  4. Step 4: Simplify right side
    7,012.62x = 25,190,967.87
  5. Step 5: Solve for x
    x = 25,190,967.87/7,012.62
  6. Step 6: Final answer
    x = 3,592.23

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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.