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Finding the Fourth Proportional to 64,463.44, 96,628.64 and 27,045.24

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Solution

The fourth proportional to 64,463.44, 96,628.64 and 27,045.24 is: 40,539.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,463.44 : 96,628.64 = 27,045.24 : x
  2. Step 2: Convert to fraction form
    64,463.44/96,628.64 = 27,045.24/x
  3. Step 3: Cross multiply
    64,463.44x = 96,628.64 × 27,045.24
  4. Step 4: Simplify right side
    64,463.44x = 2,613,344,141.30
  5. Step 5: Solve for x
    x = 2,613,344,141.30/64,463.44
  6. Step 6: Final answer
    x = 40,539.94

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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.