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Finding the Fourth Proportional to 6,475.77, 9,711.20 and 2,092.05

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Solution

The fourth proportional to 6,475.77, 9,711.20 and 2,092.05 is: 3,137.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.77 : 9,711.20 = 2,092.05 : x
  2. Step 2: Convert to fraction form
    6,475.77/9,711.20 = 2,092.05/x
  3. Step 3: Cross multiply
    6,475.77x = 9,711.20 × 2,092.05
  4. Step 4: Simplify right side
    6,475.77x = 20,316,315.96
  5. Step 5: Solve for x
    x = 20,316,315.96/6,475.77
  6. Step 6: Final answer
    x = 3,137.28

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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.