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Finding the Fourth Proportional to 8,866,972.98, 13,289,676.31 and 6,274,024.80

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Solution

The fourth proportional to 8,866,972.98, 13,289,676.31 and 6,274,024.80 is: 9,403,407.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866,972.98 : 13,289,676.31 = 6,274,024.80 : x
  2. Step 2: Convert to fraction form
    8,866,972.98/13,289,676.31 = 6,274,024.80/x
  3. Step 3: Cross multiply
    8,866,972.98x = 13,289,676.31 × 6,274,024.80
  4. Step 4: Simplify right side
    8,866,972.98x = 83,379,758,752,912.48
  5. Step 5: Solve for x
    x = 83,379,758,752,912.48/8,866,972.98
  6. Step 6: Final answer
    x = 9,403,407.34

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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.