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Finding the Fourth Proportional to 8,842,821.61, 13,265,672.19 and 2,611,554.80

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Solution

The fourth proportional to 8,842,821.61, 13,265,672.19 and 2,611,554.80 is: 3,917,757.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842,821.61 : 13,265,672.19 = 2,611,554.80 : x
  2. Step 2: Convert to fraction form
    8,842,821.61/13,265,672.19 = 2,611,554.80/x
  3. Step 3: Cross multiply
    8,842,821.61x = 13,265,672.19 × 2,611,554.80
  4. Step 4: Simplify right side
    8,842,821.61x = 34,644,029,856,645.59
  5. Step 5: Solve for x
    x = 34,644,029,856,645.59/8,842,821.61
  6. Step 6: Final answer
    x = 3,917,757.41

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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.