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Finding the Fourth Proportional to 5,087.56, 7,632.11 and 1,800.69

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Solution

The fourth proportional to 5,087.56, 7,632.11 and 1,800.69 is: 2,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.56 : 7,632.11 = 1,800.69 : x
  2. Step 2: Convert to fraction form
    5,087.56/7,632.11 = 1,800.69/x
  3. Step 3: Cross multiply
    5,087.56x = 7,632.11 × 1,800.69
  4. Step 4: Simplify right side
    5,087.56x = 13,743,016.99
  5. Step 5: Solve for x
    x = 13,743,016.99/5,087.56
  6. Step 6: Final answer
    x = 2,701.30

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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.