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Finding the Fourth Proportional to 9,964,562.20, 14,953,841.70 and 6,379,048.60

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Solution

The fourth proportional to 9,964,562.20, 14,953,841.70 and 6,379,048.60 is: 9,573,053.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964,562.20 : 14,953,841.70 = 6,379,048.60 : x
  2. Step 2: Convert to fraction form
    9,964,562.20/14,953,841.70 = 6,379,048.60/x
  3. Step 3: Cross multiply
    9,964,562.20x = 14,953,841.70 × 6,379,048.60
  4. Step 4: Simplify right side
    9,964,562.20x = 95,391,282,961,006.61
  5. Step 5: Solve for x
    x = 95,391,282,961,006.61/9,964,562.20
  6. Step 6: Final answer
    x = 9,573,053.09

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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.