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Finding the Fourth Proportional to 11,596.60, 17,394.90 and 7,441.30

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Solution

The fourth proportional to 11,596.60, 17,394.90 and 7,441.30 is: 11,161.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,596.60 : 17,394.90 = 7,441.30 : x
  2. Step 2: Convert to fraction form
    11,596.60/17,394.90 = 7,441.30/x
  3. Step 3: Cross multiply
    11,596.60x = 17,394.90 × 7,441.30
  4. Step 4: Simplify right side
    11,596.60x = 129,440,669.37
  5. Step 5: Solve for x
    x = 129,440,669.37/11,596.60
  6. Step 6: Final answer
    x = 11,161.95

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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.