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Finding the Fourth Proportional to 70,203.75, 105,399.04 and 36,947.17

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Solution

The fourth proportional to 70,203.75, 105,399.04 and 36,947.17 is: 55,469.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,203.75 : 105,399.04 = 36,947.17 : x
  2. Step 2: Convert to fraction form
    70,203.75/105,399.04 = 36,947.17/x
  3. Step 3: Cross multiply
    70,203.75x = 105,399.04 × 36,947.17
  4. Step 4: Simplify right side
    70,203.75x = 3,894,195,764.50
  5. Step 5: Solve for x
    x = 3,894,195,764.50/70,203.75
  6. Step 6: Final answer
    x = 55,469.91

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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.