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Finding the Fourth Proportional to 64,769.88, 97,109.46 and 33,588.12

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Solution

The fourth proportional to 64,769.88, 97,109.46 and 33,588.12 is: 50,358.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,769.88 : 97,109.46 = 33,588.12 : x
  2. Step 2: Convert to fraction form
    64,769.88/97,109.46 = 33,588.12/x
  3. Step 3: Cross multiply
    64,769.88x = 97,109.46 × 33,588.12
  4. Step 4: Simplify right side
    64,769.88x = 3,261,724,195.62
  5. Step 5: Solve for x
    x = 3,261,724,195.62/64,769.88
  6. Step 6: Final answer
    x = 50,358.66

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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.