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Finding the Fourth Proportional to 64,996.73, 97,431.31 and 33,421.92

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Solution

The fourth proportional to 64,996.73, 97,431.31 and 33,421.92 is: 50,100.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,996.73 : 97,431.31 = 33,421.92 : x
  2. Step 2: Convert to fraction form
    64,996.73/97,431.31 = 33,421.92/x
  3. Step 3: Cross multiply
    64,996.73x = 97,431.31 × 33,421.92
  4. Step 4: Simplify right side
    64,996.73x = 3,256,340,936.73
  5. Step 5: Solve for x
    x = 3,256,340,936.73/64,996.73
  6. Step 6: Final answer
    x = 50,100.07

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1.5x scale

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.