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Finding the Fourth Proportional to 8,842,824.60, 13,265,676.68 and 2,611,557.80

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Solution

The fourth proportional to 8,842,824.60, 13,265,676.68 and 2,611,557.80 is: 3,917,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842,824.60 : 13,265,676.68 = 2,611,557.80 : x
  2. Step 2: Convert to fraction form
    8,842,824.60/13,265,676.68 = 2,611,557.80/x
  3. Step 3: Cross multiply
    8,842,824.60x = 13,265,676.68 × 2,611,557.80
  4. Step 4: Simplify right side
    8,842,824.60x = 34,644,081,405,932.10
  5. Step 5: Solve for x
    x = 34,644,081,405,932.10/8,842,824.60
  6. Step 6: Final answer
    x = 3,917,761.91

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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.