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Finding the Fourth Proportional to 6,343,459.65, 8,753,982.98 and 3,442,850.57

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Solution

The fourth proportional to 6,343,459.65, 8,753,982.98 and 3,442,850.57 is: 4,751,138.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343,459.65 : 8,753,982.98 = 3,442,850.57 : x
  2. Step 2: Convert to fraction form
    6,343,459.65/8,753,982.98 = 3,442,850.57/x
  3. Step 3: Cross multiply
    6,343,459.65x = 8,753,982.98 × 3,442,850.57
  4. Step 4: Simplify right side
    6,343,459.65x = 30,138,655,292,463.30
  5. Step 5: Solve for x
    x = 30,138,655,292,463.30/6,343,459.65
  6. Step 6: Final answer
    x = 4,751,138.49

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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.