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Finding the Fourth Proportional to 18,801,634.80, 28,204,525.80 and 6,019,964.40

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Solution

The fourth proportional to 18,801,634.80, 28,204,525.80 and 6,019,964.40 is: 9,030,610.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801,634.80 : 28,204,525.80 = 6,019,964.40 : x
  2. Step 2: Convert to fraction form
    18,801,634.80/28,204,525.80 = 6,019,964.40/x
  3. Step 3: Cross multiply
    18,801,634.80x = 28,204,525.80 × 6,019,964.40
  4. Step 4: Simplify right side
    18,801,634.80x = 169,790,241,234,881.53
  5. Step 5: Solve for x
    x = 169,790,241,234,881.53/18,801,634.80
  6. Step 6: Final answer
    x = 9,030,610.53

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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.