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Finding the Fourth Proportional to 63,632.70, 87,811.43 and 35,336.57

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Solution

The fourth proportional to 63,632.70, 87,811.43 and 35,336.57 is: 48,763.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,632.70 : 87,811.43 = 35,336.57 : x
  2. Step 2: Convert to fraction form
    63,632.70/87,811.43 = 35,336.57/x
  3. Step 3: Cross multiply
    63,632.70x = 87,811.43 × 35,336.57
  4. Step 4: Simplify right side
    63,632.70x = 3,102,954,127.26
  5. Step 5: Solve for x
    x = 3,102,954,127.26/63,632.70
  6. Step 6: Final answer
    x = 48,763.52

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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.