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Finding the Fourth Proportional to 6,408,884.12, 8,844,038.39 and 3,656,462.60

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Solution

The fourth proportional to 6,408,884.12, 8,844,038.39 and 3,656,462.60 is: 5,045,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408,884.12 : 8,844,038.39 = 3,656,462.60 : x
  2. Step 2: Convert to fraction form
    6,408,884.12/8,844,038.39 = 3,656,462.60/x
  3. Step 3: Cross multiply
    6,408,884.12x = 8,844,038.39 × 3,656,462.60
  4. Step 4: Simplify right side
    6,408,884.12x = 32,337,895,637,250.47
  5. Step 5: Solve for x
    x = 32,337,895,637,250.47/6,408,884.12
  6. Step 6: Final answer
    x = 5,045,791.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.