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Finding the Fourth Proportional to 8,408,297.79, 11,603,451.17 and 4,540,819.01

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Solution

The fourth proportional to 8,408,297.79, 11,603,451.17 and 4,540,819.01 is: 6,266,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408,297.79 : 11,603,451.17 = 4,540,819.01 : x
  2. Step 2: Convert to fraction form
    8,408,297.79/11,603,451.17 = 4,540,819.01/x
  3. Step 3: Cross multiply
    8,408,297.79x = 11,603,451.17 × 4,540,819.01
  4. Step 4: Simplify right side
    8,408,297.79x = 52,689,171,573,621.38
  5. Step 5: Solve for x
    x = 52,689,171,573,621.38/8,408,297.79
  6. Step 6: Final answer
    x = 6,266,330.34

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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.