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Finding the Fourth Proportional to 43,879.92, 65,802.24 and 15,794.88

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Solution

The fourth proportional to 43,879.92, 65,802.24 and 15,794.88 is: 23,685.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,879.92 : 65,802.24 = 15,794.88 : x
  2. Step 2: Convert to fraction form
    43,879.92/65,802.24 = 15,794.88/x
  3. Step 3: Cross multiply
    43,879.92x = 65,802.24 × 15,794.88
  4. Step 4: Simplify right side
    43,879.92x = 1,039,338,484.53
  5. Step 5: Solve for x
    x = 1,039,338,484.53/43,879.92
  6. Step 6: Final answer
    x = 23,685.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.