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Finding the Fourth Proportional to 9,073.53, 13,613.79 and 3,530.79

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Solution

The fourth proportional to 9,073.53, 13,613.79 and 3,530.79 is: 5,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,073.53 : 13,613.79 = 3,530.79 : x
  2. Step 2: Convert to fraction form
    9,073.53/13,613.79 = 3,530.79/x
  3. Step 3: Cross multiply
    9,073.53x = 13,613.79 × 3,530.79
  4. Step 4: Simplify right side
    9,073.53x = 48,067,433.59
  5. Step 5: Solve for x
    x = 48,067,433.59/9,073.53
  6. Step 6: Final answer
    x = 5,297.55

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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.