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Finding the Fourth Proportional to 7,559.88, 11,321.82 and 3,651.72

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Solution

The fourth proportional to 7,559.88, 11,321.82 and 3,651.72 is: 5,468.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,559.88 : 11,321.82 = 3,651.72 : x
  2. Step 2: Convert to fraction form
    7,559.88/11,321.82 = 3,651.72/x
  3. Step 3: Cross multiply
    7,559.88x = 11,321.82 × 3,651.72
  4. Step 4: Simplify right side
    7,559.88x = 41,344,116.53
  5. Step 5: Solve for x
    x = 41,344,116.53/7,559.88
  6. Step 6: Final answer
    x = 5,468.89

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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.