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Finding the Fourth Proportional to 7,433.72, 11,151.84 and 3,536.84

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Solution

The fourth proportional to 7,433.72, 11,151.84 and 3,536.84 is: 5,305.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,433.72 : 11,151.84 = 3,536.84 : x
  2. Step 2: Convert to fraction form
    7,433.72/11,151.84 = 3,536.84/x
  3. Step 3: Cross multiply
    7,433.72x = 11,151.84 × 3,536.84
  4. Step 4: Simplify right side
    7,433.72x = 39,442,273.79
  5. Step 5: Solve for x
    x = 39,442,273.79/7,433.72
  6. Step 6: Final answer
    x = 5,305.86

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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.