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Finding the Fourth Proportional to 39,863.80, 59,795.70 and 33,351.40

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Solution

The fourth proportional to 39,863.80, 59,795.70 and 33,351.40 is: 50,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,863.80 : 59,795.70 = 33,351.40 : x
  2. Step 2: Convert to fraction form
    39,863.80/59,795.70 = 33,351.40/x
  3. Step 3: Cross multiply
    39,863.80x = 59,795.70 × 33,351.40
  4. Step 4: Simplify right side
    39,863.80x = 1,994,270,308.98
  5. Step 5: Solve for x
    x = 1,994,270,308.98/39,863.80
  6. Step 6: Final answer
    x = 50,027.10

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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.