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Finding the Fourth Proportional to 6,394,452.30, 9,591,678.45 and 5,871,905.10

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Solution

The fourth proportional to 6,394,452.30, 9,591,678.45 and 5,871,905.10 is: 8,807,857.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394,452.30 : 9,591,678.45 = 5,871,905.10 : x
  2. Step 2: Convert to fraction form
    6,394,452.30/9,591,678.45 = 5,871,905.10/x
  3. Step 3: Cross multiply
    6,394,452.30x = 9,591,678.45 × 5,871,905.10
  4. Step 4: Simplify right side
    6,394,452.30x = 56,321,425,608,115.09
  5. Step 5: Solve for x
    x = 56,321,425,608,115.09/6,394,452.30
  6. Step 6: Final answer
    x = 8,807,857.65

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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.