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Finding the Fourth Proportional to 80,795.64, 111,491.89 and 44,978.73

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Solution

The fourth proportional to 80,795.64, 111,491.89 and 44,978.73 is: 62,067.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,795.64 : 111,491.89 = 44,978.73 : x
  2. Step 2: Convert to fraction form
    80,795.64/111,491.89 = 44,978.73/x
  3. Step 3: Cross multiply
    80,795.64x = 111,491.89 × 44,978.73
  4. Step 4: Simplify right side
    80,795.64x = 5,014,763,810.32
  5. Step 5: Solve for x
    x = 5,014,763,810.32/80,795.64
  6. Step 6: Final answer
    x = 62,067.26

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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.