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Finding the Fourth Proportional to 17,919,294.80, 26,889,439.80 and 6,560,891.60

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Solution

The fourth proportional to 17,919,294.80, 26,889,439.80 and 6,560,891.60 is: 9,845,180.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919,294.80 : 26,889,439.80 = 6,560,891.60 : x
  2. Step 2: Convert to fraction form
    17,919,294.80/26,889,439.80 = 6,560,891.60/x
  3. Step 3: Cross multiply
    17,919,294.80x = 26,889,439.80 × 6,560,891.60
  4. Step 4: Simplify right side
    17,919,294.80x = 176,418,699,712,525.69
  5. Step 5: Solve for x
    x = 176,418,699,712,525.69/17,919,294.80
  6. Step 6: Final answer
    x = 9,845,180.94

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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.