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Finding the Fourth Proportional to 9,964,562.70, 14,953,842.45 and 6,379,049.10

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Solution

The fourth proportional to 9,964,562.70, 14,953,842.45 and 6,379,049.10 is: 9,573,053.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964,562.70 : 14,953,842.45 = 6,379,049.10 : x
  2. Step 2: Convert to fraction form
    9,964,562.70/14,953,842.45 = 6,379,049.10/x
  3. Step 3: Cross multiply
    9,964,562.70x = 14,953,842.45 × 6,379,049.10
  4. Step 4: Simplify right side
    9,964,562.70x = 95,391,295,222,214.28
  5. Step 5: Solve for x
    x = 95,391,295,222,214.28/9,964,562.70
  6. Step 6: Final answer
    x = 9,573,053.84

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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.