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Finding the Fourth Proportional to 79,451.97, 119,208.87 and 35,047.50

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Solution

The fourth proportional to 79,451.97, 119,208.87 and 35,047.50 is: 52,584.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,451.97 : 119,208.87 = 35,047.50 : x
  2. Step 2: Convert to fraction form
    79,451.97/119,208.87 = 35,047.50/x
  3. Step 3: Cross multiply
    79,451.97x = 119,208.87 × 35,047.50
  4. Step 4: Simplify right side
    79,451.97x = 4,177,972,871.33
  5. Step 5: Solve for x
    x = 4,177,972,871.33/79,451.97
  6. Step 6: Final answer
    x = 52,584.89

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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.