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Finding the Fourth Proportional to 7,471.66, 11,186.34 and 3,953.68

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Solution

The fourth proportional to 7,471.66, 11,186.34 and 3,953.68 is: 5,919.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.66 : 11,186.34 = 3,953.68 : x
  2. Step 2: Convert to fraction form
    7,471.66/11,186.34 = 3,953.68/x
  3. Step 3: Cross multiply
    7,471.66x = 11,186.34 × 3,953.68
  4. Step 4: Simplify right side
    7,471.66x = 44,227,208.73
  5. Step 5: Solve for x
    x = 44,227,208.73/7,471.66
  6. Step 6: Final answer
    x = 5,919.33

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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.