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Finding the Fourth Proportional to 64,791.81, 97,125.28 and 33,216.69

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Solution

The fourth proportional to 64,791.81, 97,125.28 and 33,216.69 is: 49,793.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,791.81 : 97,125.28 = 33,216.69 : x
  2. Step 2: Convert to fraction form
    64,791.81/97,125.28 = 33,216.69/x
  3. Step 3: Cross multiply
    64,791.81x = 97,125.28 × 33,216.69
  4. Step 4: Simplify right side
    64,791.81x = 3,226,180,316.92
  5. Step 5: Solve for x
    x = 3,226,180,316.92/64,791.81
  6. Step 6: Final answer
    x = 49,793.03

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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.