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Finding the Fourth Proportional to 63,755.88, 87,986.43 and 35,461.50

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Solution

The fourth proportional to 63,755.88, 87,986.43 and 35,461.50 is: 48,938.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,755.88 : 87,986.43 = 35,461.50 : x
  2. Step 2: Convert to fraction form
    63,755.88/87,986.43 = 35,461.50/x
  3. Step 3: Cross multiply
    63,755.88x = 87,986.43 × 35,461.50
  4. Step 4: Simplify right side
    63,755.88x = 3,120,130,787.45
  5. Step 5: Solve for x
    x = 3,120,130,787.45/63,755.88
  6. Step 6: Final answer
    x = 48,938.71

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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.