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Finding the Fourth Proportional to 7,706,794.04, 11,561,814.30 and 2,914,377.20

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Solution

The fourth proportional to 7,706,794.04, 11,561,814.30 and 2,914,377.20 is: 4,372,179.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,706,794.04 : 11,561,814.30 = 2,914,377.20 : x
  2. Step 2: Convert to fraction form
    7,706,794.04/11,561,814.30 = 2,914,377.20/x
  3. Step 3: Cross multiply
    7,706,794.04x = 11,561,814.30 × 2,914,377.20
  4. Step 4: Simplify right side
    7,706,794.04x = 33,695,487,928,744.89
  5. Step 5: Solve for x
    x = 33,695,487,928,744.89/7,706,794.04
  6. Step 6: Final answer
    x = 4,372,179.63

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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.