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Finding the Fourth Proportional to 59,912.89, 83,029.30 and 59,067.25

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Solution

The fourth proportional to 59,912.89, 83,029.30 and 59,067.25 is: 81,857.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,912.89 : 83,029.30 = 59,067.25 : x
  2. Step 2: Convert to fraction form
    59,912.89/83,029.30 = 59,067.25/x
  3. Step 3: Cross multiply
    59,912.89x = 83,029.30 × 59,067.25
  4. Step 4: Simplify right side
    59,912.89x = 4,904,312,420.43
  5. Step 5: Solve for x
    x = 4,904,312,420.43/59,912.89
  6. Step 6: Final answer
    x = 81,857.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.