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Finding the Fourth Proportional to 63,700.56, 87,884.04 and 43,794

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Solution

The fourth proportional to 63,700.56, 87,884.04 and 43,794 is: 60,420.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,700.56 : 87,884.04 = 43,794 : x
  2. Step 2: Convert to fraction form
    63,700.56/87,884.04 = 43,794/x
  3. Step 3: Cross multiply
    63,700.56x = 87,884.04 × 43,794
  4. Step 4: Simplify right side
    63,700.56x = 3,848,793,647.76
  5. Step 5: Solve for x
    x = 3,848,793,647.76/63,700.56
  6. Step 6: Final answer
    x = 60,420.09

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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.