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Finding the Fourth Proportional to 6,343,996.16, 8,754,723.54 and 3,443,387.68

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Solution

The fourth proportional to 6,343,996.16, 8,754,723.54 and 3,443,387.68 is: 4,751,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343,996.16 : 8,754,723.54 = 3,443,387.68 : x
  2. Step 2: Convert to fraction form
    6,343,996.16/8,754,723.54 = 3,443,387.68/x
  3. Step 3: Cross multiply
    6,343,996.16x = 8,754,723.54 × 3,443,387.68
  4. Step 4: Simplify right side
    6,343,996.16x = 30,145,907,179,441.98
  5. Step 5: Solve for x
    x = 30,145,907,179,441.98/6,343,996.16
  6. Step 6: Final answer
    x = 4,751,879.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.