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Finding the Fourth Proportional to 64,081.88, 96,122.80 and 46,662.56

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Solution

The fourth proportional to 64,081.88, 96,122.80 and 46,662.56 is: 69,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,081.88 : 96,122.80 = 46,662.56 : x
  2. Step 2: Convert to fraction form
    64,081.88/96,122.80 = 46,662.56/x
  3. Step 3: Cross multiply
    64,081.88x = 96,122.80 × 46,662.56
  4. Step 4: Simplify right side
    64,081.88x = 4,485,335,922.37
  5. Step 5: Solve for x
    x = 4,485,335,922.37/64,081.88
  6. Step 6: Final answer
    x = 69,993.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.