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Finding the Fourth Proportional to 77,601.72, 107,089.74 and 44,067

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Solution

The fourth proportional to 77,601.72, 107,089.74 and 44,067 is: 60,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,601.72 : 107,089.74 = 44,067 : x
  2. Step 2: Convert to fraction form
    77,601.72/107,089.74 = 44,067/x
  3. Step 3: Cross multiply
    77,601.72x = 107,089.74 × 44,067
  4. Step 4: Simplify right side
    77,601.72x = 4,719,123,572.58
  5. Step 5: Solve for x
    x = 4,719,123,572.58/77,601.72
  6. Step 6: Final answer
    x = 60,812.10

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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.