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Finding the Fourth Proportional to 63,634.80, 87,775.68 and 39,094.86

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Solution

The fourth proportional to 63,634.80, 87,775.68 and 39,094.86 is: 53,926.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,634.80 : 87,775.68 = 39,094.86 : x
  2. Step 2: Convert to fraction form
    63,634.80/87,775.68 = 39,094.86/x
  3. Step 3: Cross multiply
    63,634.80x = 87,775.68 × 39,094.86
  4. Step 4: Simplify right side
    63,634.80x = 3,431,577,921.00
  5. Step 5: Solve for x
    x = 3,431,577,921.00/63,634.80
  6. Step 6: Final answer
    x = 53,926.12

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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.