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Finding the Fourth Proportional to 64,596.47, 96,935.76 and 33,431.72

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Solution

The fourth proportional to 64,596.47, 96,935.76 and 33,431.72 is: 50,168.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,596.47 : 96,935.76 = 33,431.72 : x
  2. Step 2: Convert to fraction form
    64,596.47/96,935.76 = 33,431.72/x
  3. Step 3: Cross multiply
    64,596.47x = 96,935.76 × 33,431.72
  4. Step 4: Simplify right side
    64,596.47x = 3,240,728,701.63
  5. Step 5: Solve for x
    x = 3,240,728,701.63/64,596.47
  6. Step 6: Final answer
    x = 50,168.82

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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.