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Finding the Fourth Proportional to 7,408,364.80, 11,096,800.80 and 6,148,652.80

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Solution

The fourth proportional to 7,408,364.80, 11,096,800.80 and 6,148,652.80 is: 9,209,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408,364.80 : 11,096,800.80 = 6,148,652.80 : x
  2. Step 2: Convert to fraction form
    7,408,364.80/11,096,800.80 = 6,148,652.80/x
  3. Step 3: Cross multiply
    7,408,364.80x = 11,096,800.80 × 6,148,652.80
  4. Step 4: Simplify right side
    7,408,364.80x = 68,230,375,309,962.24
  5. Step 5: Solve for x
    x = 68,230,375,309,962.24/7,408,364.80
  6. Step 6: Final answer
    x = 9,209,910.30

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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.