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Finding the Fourth Proportional to 7,000.67, 10,494.20 and 4,494.80

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Solution

The fourth proportional to 7,000.67, 10,494.20 and 4,494.80 is: 6,737.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.67 : 10,494.20 = 4,494.80 : x
  2. Step 2: Convert to fraction form
    7,000.67/10,494.20 = 4,494.80/x
  3. Step 3: Cross multiply
    7,000.67x = 10,494.20 × 4,494.80
  4. Step 4: Simplify right side
    7,000.67x = 47,169,367.63
  5. Step 5: Solve for x
    x = 47,169,367.63/7,000.67
  6. Step 6: Final answer
    x = 6,737.83

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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.