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Finding the Fourth Proportional to 27,245.87, 40,867.70 and 9,480.60

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Solution

The fourth proportional to 27,245.87, 40,867.70 and 9,480.60 is: 14,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,245.87 : 40,867.70 = 9,480.60 : x
  2. Step 2: Convert to fraction form
    27,245.87/40,867.70 = 9,480.60/x
  3. Step 3: Cross multiply
    27,245.87x = 40,867.70 × 9,480.60
  4. Step 4: Simplify right side
    27,245.87x = 387,450,064.88
  5. Step 5: Solve for x
    x = 387,450,064.88/27,245.87
  6. Step 6: Final answer
    x = 14,220.51

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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.