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Finding the Fourth Proportional to 7,013.94, 10,520.94 and 2,083.62

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Solution

The fourth proportional to 7,013.94, 10,520.94 and 2,083.62 is: 3,125.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.94 : 10,520.94 = 2,083.62 : x
  2. Step 2: Convert to fraction form
    7,013.94/10,520.94 = 2,083.62/x
  3. Step 3: Cross multiply
    7,013.94x = 10,520.94 × 2,083.62
  4. Step 4: Simplify right side
    7,013.94x = 21,921,676.55
  5. Step 5: Solve for x
    x = 21,921,676.55/7,013.94
  6. Step 6: Final answer
    x = 3,125.44

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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.