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Finding the Fourth Proportional to 63,755.68, 87,984.48 and 35,076.06

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Solution

The fourth proportional to 63,755.68, 87,984.48 and 35,076.06 is: 48,405.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,755.68 : 87,984.48 = 35,076.06 : x
  2. Step 2: Convert to fraction form
    63,755.68/87,984.48 = 35,076.06/x
  3. Step 3: Cross multiply
    63,755.68x = 87,984.48 × 35,076.06
  4. Step 4: Simplify right side
    63,755.68x = 3,086,148,899.55
  5. Step 5: Solve for x
    x = 3,086,148,899.55/63,755.68
  6. Step 6: Final answer
    x = 48,405.87

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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.