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Finding the Fourth Proportional to 8,396,158.70, 12,584,906.85 and 3,603,032.30

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Solution

The fourth proportional to 8,396,158.70, 12,584,906.85 and 3,603,032.30 is: 5,400,544.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396,158.70 : 12,584,906.85 = 3,603,032.30 : x
  2. Step 2: Convert to fraction form
    8,396,158.70/12,584,906.85 = 3,603,032.30/x
  3. Step 3: Cross multiply
    8,396,158.70x = 12,584,906.85 × 3,603,032.30
  4. Step 4: Simplify right side
    8,396,158.70x = 45,343,825,873,041.25
  5. Step 5: Solve for x
    x = 45,343,825,873,041.25/8,396,158.70
  6. Step 6: Final answer
    x = 5,400,544.16

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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.