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Finding the Fourth Proportional to 7,663.56, 11,484.70 and 3,493.37

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Solution

The fourth proportional to 7,663.56, 11,484.70 and 3,493.37 is: 5,235.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.56 : 11,484.70 = 3,493.37 : x
  2. Step 2: Convert to fraction form
    7,663.56/11,484.70 = 3,493.37/x
  3. Step 3: Cross multiply
    7,663.56x = 11,484.70 × 3,493.37
  4. Step 4: Simplify right side
    7,663.56x = 40,120,306.44
  5. Step 5: Solve for x
    x = 40,120,306.44/7,663.56
  6. Step 6: Final answer
    x = 5,235.20

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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.