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Finding the Fourth Proportional to 8,658,849.84, 11,950,474.24 and 4,987,051.76

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Solution

The fourth proportional to 8,658,849.84, 11,950,474.24 and 4,987,051.76 is: 6,882,857.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658,849.84 : 11,950,474.24 = 4,987,051.76 : x
  2. Step 2: Convert to fraction form
    8,658,849.84/11,950,474.24 = 4,987,051.76/x
  3. Step 3: Cross multiply
    8,658,849.84x = 11,950,474.24 × 4,987,051.76
  4. Step 4: Simplify right side
    8,658,849.84x = 59,597,633,591,426.66
  5. Step 5: Solve for x
    x = 59,597,633,591,426.66/8,658,849.84
  6. Step 6: Final answer
    x = 6,882,857.97

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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.