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Finding the Fourth Proportional to 43,195.58, 64,783.65 and 15,493.58

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Solution

The fourth proportional to 43,195.58, 64,783.65 and 15,493.58 is: 23,236.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,195.58 : 64,783.65 = 15,493.58 : x
  2. Step 2: Convert to fraction form
    43,195.58/64,783.65 = 15,493.58/x
  3. Step 3: Cross multiply
    43,195.58x = 64,783.65 × 15,493.58
  4. Step 4: Simplify right side
    43,195.58x = 1,003,730,553.94
  5. Step 5: Solve for x
    x = 1,003,730,553.94/43,195.58
  6. Step 6: Final answer
    x = 23,236.88

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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.