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Finding the Fourth Proportional to 8,793,622.80, 13,189,996.80 and 4,534,221.60

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Solution

The fourth proportional to 8,793,622.80, 13,189,996.80 and 4,534,221.60 is: 6,801,106.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793,622.80 : 13,189,996.80 = 4,534,221.60 : x
  2. Step 2: Convert to fraction form
    8,793,622.80/13,189,996.80 = 4,534,221.60/x
  3. Step 3: Cross multiply
    8,793,622.80x = 13,189,996.80 × 4,534,221.60
  4. Step 4: Simplify right side
    8,793,622.80x = 59,806,368,394,490.88
  5. Step 5: Solve for x
    x = 59,806,368,394,490.88/8,793,622.80
  6. Step 6: Final answer
    x = 6,801,106.87

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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.