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Finding the Fourth Proportional to 6,491,401.10, 9,737,101.65 and 6,214,964.30

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Solution

The fourth proportional to 6,491,401.10, 9,737,101.65 and 6,214,964.30 is: 9,322,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491,401.10 : 9,737,101.65 = 6,214,964.30 : x
  2. Step 2: Convert to fraction form
    6,491,401.10/9,737,101.65 = 6,214,964.30/x
  3. Step 3: Cross multiply
    6,491,401.10x = 9,737,101.65 × 6,214,964.30
  4. Step 4: Simplify right side
    6,491,401.10x = 60,515,739,140,221.09
  5. Step 5: Solve for x
    x = 60,515,739,140,221.09/6,491,401.10
  6. Step 6: Final answer
    x = 9,322,446.45

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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.