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Finding the Fourth Proportional to 6,646,249.24, 9,968,487.72 and 1,853,537.16

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Solution

The fourth proportional to 6,646,249.24, 9,968,487.72 and 1,853,537.16 is: 2,780,058.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646,249.24 : 9,968,487.72 = 1,853,537.16 : x
  2. Step 2: Convert to fraction form
    6,646,249.24/9,968,487.72 = 1,853,537.16/x
  3. Step 3: Cross multiply
    6,646,249.24x = 9,968,487.72 × 1,853,537.16
  4. Step 4: Simplify right side
    6,646,249.24x = 18,476,962,418,023.68
  5. Step 5: Solve for x
    x = 18,476,962,418,023.68/6,646,249.24
  6. Step 6: Final answer
    x = 2,780,058.61

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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.