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Finding the Fourth Proportional to 8,809,385.70, 13,214,078.55 and 8,809,385.70

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Solution

The fourth proportional to 8,809,385.70, 13,214,078.55 and 8,809,385.70 is: 13,214,078.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809,385.70 : 13,214,078.55 = 8,809,385.70 : x
  2. Step 2: Convert to fraction form
    8,809,385.70/13,214,078.55 = 8,809,385.70/x
  3. Step 3: Cross multiply
    8,809,385.70x = 13,214,078.55 × 8,809,385.70
  4. Step 4: Simplify right side
    8,809,385.70x = 116,407,914,617,046.73
  5. Step 5: Solve for x
    x = 116,407,914,617,046.73/8,809,385.70
  6. Step 6: Final answer
    x = 13,214,078.55

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Similar ratio
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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.