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Finding the Fourth Proportional to 43,663.78, 65,551.02 and 36,357.58

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Solution

The fourth proportional to 43,663.78, 65,551.02 and 36,357.58 is: 54,582.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,663.78 : 65,551.02 = 36,357.58 : x
  2. Step 2: Convert to fraction form
    43,663.78/65,551.02 = 36,357.58/x
  3. Step 3: Cross multiply
    43,663.78x = 65,551.02 × 36,357.58
  4. Step 4: Simplify right side
    43,663.78x = 2,383,276,453.73
  5. Step 5: Solve for x
    x = 2,383,276,453.73/43,663.78
  6. Step 6: Final answer
    x = 54,582.46

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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.