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Finding the Fourth Proportional to 6,573,761.82, 9,860,642.91 and 1,781,450.91

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Solution

The fourth proportional to 6,573,761.82, 9,860,642.91 and 1,781,450.91 is: 2,672,176.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,573,761.82 : 9,860,642.91 = 1,781,450.91 : x
  2. Step 2: Convert to fraction form
    6,573,761.82/9,860,642.91 = 1,781,450.91/x
  3. Step 3: Cross multiply
    6,573,761.82x = 9,860,642.91 × 1,781,450.91
  4. Step 4: Simplify right side
    6,573,761.82x = 17,566,251,285,204.55
  5. Step 5: Solve for x
    x = 17,566,251,285,204.55/6,573,761.82
  6. Step 6: Final answer
    x = 2,672,176.41

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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.