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Finding the Fourth Proportional to 8,906,974.20, 13,360,461.30 and 8,906,974.20

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Solution

The fourth proportional to 8,906,974.20, 13,360,461.30 and 8,906,974.20 is: 13,360,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906,974.20 : 13,360,461.30 = 8,906,974.20 : x
  2. Step 2: Convert to fraction form
    8,906,974.20/13,360,461.30 = 8,906,974.20/x
  3. Step 3: Cross multiply
    8,906,974.20x = 13,360,461.30 × 8,906,974.20
  4. Step 4: Simplify right side
    8,906,974.20x = 119,001,284,099,198.45
  5. Step 5: Solve for x
    x = 119,001,284,099,198.45/8,906,974.20
  6. Step 6: Final answer
    x = 13,360,461.30

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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.