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Finding the Fourth Proportional to 6,650.34, 9,977.79 and 2,270.88

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Solution

The fourth proportional to 6,650.34, 9,977.79 and 2,270.88 is: 3,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.34 : 9,977.79 = 2,270.88 : x
  2. Step 2: Convert to fraction form
    6,650.34/9,977.79 = 2,270.88/x
  3. Step 3: Cross multiply
    6,650.34x = 9,977.79 × 2,270.88
  4. Step 4: Simplify right side
    6,650.34x = 22,658,363.76
  5. Step 5: Solve for x
    x = 22,658,363.76/6,650.34
  6. Step 6: Final answer
    x = 3,407.10

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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.