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Finding the Fourth Proportional to 63,696.60, 87,903 and 34,626.92

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Solution

The fourth proportional to 63,696.60, 87,903 and 34,626.92 is: 47,786.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,696.60 : 87,903 = 34,626.92 : x
  2. Step 2: Convert to fraction form
    63,696.60/87,903 = 34,626.92/x
  3. Step 3: Cross multiply
    63,696.60x = 87,903 × 34,626.92
  4. Step 4: Simplify right side
    63,696.60x = 3,043,810,148.76
  5. Step 5: Solve for x
    x = 3,043,810,148.76/63,696.60
  6. Step 6: Final answer
    x = 47,786.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.