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Finding the Fourth Proportional to 77,589.75, 107,073.87 and 44,055.75

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Solution

The fourth proportional to 77,589.75, 107,073.87 and 44,055.75 is: 60,796.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,589.75 : 107,073.87 = 44,055.75 : x
  2. Step 2: Convert to fraction form
    77,589.75/107,073.87 = 44,055.75/x
  3. Step 3: Cross multiply
    77,589.75x = 107,073.87 × 44,055.75
  4. Step 4: Simplify right side
    77,589.75x = 4,717,219,648.25
  5. Step 5: Solve for x
    x = 4,717,219,648.25/77,589.75
  6. Step 6: Final answer
    x = 60,796.94

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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.