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Finding the Fourth Proportional to 6,889,586.05, 9,502,788.21 and 4,534,033.30

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Solution

The fourth proportional to 6,889,586.05, 9,502,788.21 and 4,534,033.30 is: 6,253,780.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889,586.05 : 9,502,788.21 = 4,534,033.30 : x
  2. Step 2: Convert to fraction form
    6,889,586.05/9,502,788.21 = 4,534,033.30/x
  3. Step 3: Cross multiply
    6,889,586.05x = 9,502,788.21 × 4,534,033.30
  4. Step 4: Simplify right side
    6,889,586.05x = 43,085,958,146,227.80
  5. Step 5: Solve for x
    x = 43,085,958,146,227.80/6,889,586.05
  6. Step 6: Final answer
    x = 6,253,780.39

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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.