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Finding the Fourth Proportional to 63,845.99, 88,067.54 and 45,912.59

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Solution

The fourth proportional to 63,845.99, 88,067.54 and 45,912.59 is: 63,330.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,845.99 : 88,067.54 = 45,912.59 : x
  2. Step 2: Convert to fraction form
    63,845.99/88,067.54 = 45,912.59/x
  3. Step 3: Cross multiply
    63,845.99x = 88,067.54 × 45,912.59
  4. Step 4: Simplify right side
    63,845.99x = 4,043,408,530.77
  5. Step 5: Solve for x
    x = 4,043,408,530.77/63,845.99
  6. Step 6: Final answer
    x = 63,330.66

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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.