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Finding the Fourth Proportional to 64,507.76, 96,736.76 and 25,059.68

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Solution

The fourth proportional to 64,507.76, 96,736.76 and 25,059.68 is: 37,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,507.76 : 96,736.76 = 25,059.68 : x
  2. Step 2: Convert to fraction form
    64,507.76/96,736.76 = 25,059.68/x
  3. Step 3: Cross multiply
    64,507.76x = 96,736.76 × 25,059.68
  4. Step 4: Simplify right side
    64,507.76x = 2,424,192,249.84
  5. Step 5: Solve for x
    x = 2,424,192,249.84/64,507.76
  6. Step 6: Final answer
    x = 37,579.85

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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.