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Finding the Fourth Proportional to 6,287,495.82, 8,676,744.39 and 3,425,927.82

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Solution

The fourth proportional to 6,287,495.82, 8,676,744.39 and 3,425,927.82 is: 4,727,780.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287,495.82 : 8,676,744.39 = 3,425,927.82 : x
  2. Step 2: Convert to fraction form
    6,287,495.82/8,676,744.39 = 3,425,927.82/x
  3. Step 3: Cross multiply
    6,287,495.82x = 8,676,744.39 × 3,425,927.82
  4. Step 4: Simplify right side
    6,287,495.82x = 29,725,899,992,729.93
  5. Step 5: Solve for x
    x = 29,725,899,992,729.93/6,287,495.82
  6. Step 6: Final answer
    x = 4,727,780.48

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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.