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Finding the Fourth Proportional to 58,682.54, 80,979.72 and 34,794.92

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Solution

The fourth proportional to 58,682.54, 80,979.72 and 34,794.92 is: 48,015.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,682.54 : 80,979.72 = 34,794.92 : x
  2. Step 2: Convert to fraction form
    58,682.54/80,979.72 = 34,794.92/x
  3. Step 3: Cross multiply
    58,682.54x = 80,979.72 × 34,794.92
  4. Step 4: Simplify right side
    58,682.54x = 2,817,682,879.02
  5. Step 5: Solve for x
    x = 2,817,682,879.02/58,682.54
  6. Step 6: Final answer
    x = 48,015.69

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Double scale
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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.