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Finding the Fourth Proportional to 7,493.89, 11,230.11 and 5,503.90

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Solution

The fourth proportional to 7,493.89, 11,230.11 and 5,503.90 is: 8,247.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.89 : 11,230.11 = 5,503.90 : x
  2. Step 2: Convert to fraction form
    7,493.89/11,230.11 = 5,503.90/x
  3. Step 3: Cross multiply
    7,493.89x = 11,230.11 × 5,503.90
  4. Step 4: Simplify right side
    7,493.89x = 61,809,402.43
  5. Step 5: Solve for x
    x = 61,809,402.43/7,493.89
  6. Step 6: Final answer
    x = 8,247.97

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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.