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Finding the Fourth Proportional to 6,652,195.38, 9,976,767.64 and 1,860,221.41

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Solution

The fourth proportional to 6,652,195.38, 9,976,767.64 and 1,860,221.41 is: 2,789,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652,195.38 : 9,976,767.64 = 1,860,221.41 : x
  2. Step 2: Convert to fraction form
    6,652,195.38/9,976,767.64 = 1,860,221.41/x
  3. Step 3: Cross multiply
    6,652,195.38x = 9,976,767.64 × 1,860,221.41
  4. Step 4: Simplify right side
    6,652,195.38x = 18,558,996,736,930.70
  5. Step 5: Solve for x
    x = 18,558,996,736,930.70/6,652,195.38
  6. Step 6: Final answer
    x = 2,789,905.54

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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.