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Finding the Fourth Proportional to 18,596.89, 27,899.72 and 6,116.95

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Solution

The fourth proportional to 18,596.89, 27,899.72 and 6,116.95 is: 9,176.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.89 : 27,899.72 = 6,116.95 : x
  2. Step 2: Convert to fraction form
    18,596.89/27,899.72 = 6,116.95/x
  3. Step 3: Cross multiply
    18,596.89x = 27,899.72 × 6,116.95
  4. Step 4: Simplify right side
    18,596.89x = 170,661,192.25
  5. Step 5: Solve for x
    x = 170,661,192.25/18,596.89
  6. Step 6: Final answer
    x = 9,176.87

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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.