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Finding the Fourth Proportional to 6,584,144.80, 9,897,212.40 and 6,206,231.20

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Solution

The fourth proportional to 6,584,144.80, 9,897,212.40 and 6,206,231.20 is: 9,329,136.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,584,144.80 : 9,897,212.40 = 6,206,231.20 : x
  2. Step 2: Convert to fraction form
    6,584,144.80/9,897,212.40 = 6,206,231.20/x
  3. Step 3: Cross multiply
    6,584,144.80x = 9,897,212.40 × 6,206,231.20
  4. Step 4: Simplify right side
    6,584,144.80x = 61,424,388,389,906.88
  5. Step 5: Solve for x
    x = 61,424,388,389,906.88/6,584,144.80
  6. Step 6: Final answer
    x = 9,329,136.93

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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.