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Finding the Fourth Proportional to 63,672.75, 87,868.41 and 35,378.44

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Solution

The fourth proportional to 63,672.75, 87,868.41 and 35,378.44 is: 48,822.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,672.75 : 87,868.41 = 35,378.44 : x
  2. Step 2: Convert to fraction form
    63,672.75/87,868.41 = 35,378.44/x
  3. Step 3: Cross multiply
    63,672.75x = 87,868.41 × 35,378.44
  4. Step 4: Simplify right side
    63,672.75x = 3,108,646,831.74
  5. Step 5: Solve for x
    x = 3,108,646,831.74/63,672.75
  6. Step 6: Final answer
    x = 48,822.25

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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.