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Finding the Fourth Proportional to 63,757.88, 87,989.19 and 35,463.50

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Solution

The fourth proportional to 63,757.88, 87,989.19 and 35,463.50 is: 48,941.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,757.88 : 87,989.19 = 35,463.50 : x
  2. Step 2: Convert to fraction form
    63,757.88/87,989.19 = 35,463.50/x
  3. Step 3: Cross multiply
    63,757.88x = 87,989.19 × 35,463.50
  4. Step 4: Simplify right side
    63,757.88x = 3,120,404,639.57
  5. Step 5: Solve for x
    x = 3,120,404,639.57/63,757.88
  6. Step 6: Final answer
    x = 48,941.47

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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.