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Finding the Fourth Proportional to 6,300.61, 9,451.94 and 2,140.99

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Solution

The fourth proportional to 6,300.61, 9,451.94 and 2,140.99 is: 3,211.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,300.61 : 9,451.94 = 2,140.99 : x
  2. Step 2: Convert to fraction form
    6,300.61/9,451.94 = 2,140.99/x
  3. Step 3: Cross multiply
    6,300.61x = 9,451.94 × 2,140.99
  4. Step 4: Simplify right side
    6,300.61x = 20,236,509.02
  5. Step 5: Solve for x
    x = 20,236,509.02/6,300.61
  6. Step 6: Final answer
    x = 3,211.83

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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.