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Finding the Fourth Proportional to 7,954,644.82, 11,932,654.54 and 2,197,376.43

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Solution

The fourth proportional to 7,954,644.82, 11,932,654.54 and 2,197,376.43 is: 3,296,254.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954,644.82 : 11,932,654.54 = 2,197,376.43 : x
  2. Step 2: Convert to fraction form
    7,954,644.82/11,932,654.54 = 2,197,376.43/x
  3. Step 3: Cross multiply
    7,954,644.82x = 11,932,654.54 × 2,197,376.43
  4. Step 4: Simplify right side
    7,954,644.82x = 26,220,533,833,528.49
  5. Step 5: Solve for x
    x = 26,220,533,833,528.49/7,954,644.82
  6. Step 6: Final answer
    x = 3,296,254.51

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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.