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Finding the Fourth Proportional to 63,043.88, 86,997.12 and 34,747.34

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Solution

The fourth proportional to 63,043.88, 86,997.12 and 34,747.34 is: 47,949.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,043.88 : 86,997.12 = 34,747.34 : x
  2. Step 2: Convert to fraction form
    63,043.88/86,997.12 = 34,747.34/x
  3. Step 3: Cross multiply
    63,043.88x = 86,997.12 × 34,747.34
  4. Step 4: Simplify right side
    63,043.88x = 3,022,918,507.66
  5. Step 5: Solve for x
    x = 3,022,918,507.66/63,043.88
  6. Step 6: Final answer
    x = 47,949.44

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1.5x scale

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.