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Finding the Fourth Proportional to 27,065.30, 40,596.63 and 7,074.78

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Solution

The fourth proportional to 27,065.30, 40,596.63 and 7,074.78 is: 10,611.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,065.30 : 40,596.63 = 7,074.78 : x
  2. Step 2: Convert to fraction form
    27,065.30/40,596.63 = 7,074.78/x
  3. Step 3: Cross multiply
    27,065.30x = 40,596.63 × 7,074.78
  4. Step 4: Simplify right side
    27,065.30x = 287,212,225.99
  5. Step 5: Solve for x
    x = 287,212,225.99/27,065.30
  6. Step 6: Final answer
    x = 10,611.83

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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.