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Finding the Fourth Proportional to 77,993.93, 107,626.78 and 44,007.77

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Solution

The fourth proportional to 77,993.93, 107,626.78 and 44,007.77 is: 60,727.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,993.93 : 107,626.78 = 44,007.77 : x
  2. Step 2: Convert to fraction form
    77,993.93/107,626.78 = 44,007.77/x
  3. Step 3: Cross multiply
    77,993.93x = 107,626.78 × 44,007.77
  4. Step 4: Simplify right side
    77,993.93x = 4,736,414,580.08
  5. Step 5: Solve for x
    x = 4,736,414,580.08/77,993.93
  6. Step 6: Final answer
    x = 60,727.99

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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.