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Finding the Fourth Proportional to 18,559.88, 27,841.44 and 4,708.88

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Solution

The fourth proportional to 18,559.88, 27,841.44 and 4,708.88 is: 7,063.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.88 : 27,841.44 = 4,708.88 : x
  2. Step 2: Convert to fraction form
    18,559.88/27,841.44 = 4,708.88/x
  3. Step 3: Cross multiply
    18,559.88x = 27,841.44 × 4,708.88
  4. Step 4: Simplify right side
    18,559.88x = 131,101,999.99
  5. Step 5: Solve for x
    x = 131,101,999.99/18,559.88
  6. Step 6: Final answer
    x = 7,063.73

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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.