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Finding the Fourth Proportional to 24,879.81, 37,319.66 and 8,239.87

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Solution

The fourth proportional to 24,879.81, 37,319.66 and 8,239.87 is: 12,359.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,879.81 : 37,319.66 = 8,239.87 : x
  2. Step 2: Convert to fraction form
    24,879.81/37,319.66 = 8,239.87/x
  3. Step 3: Cross multiply
    24,879.81x = 37,319.66 × 8,239.87
  4. Step 4: Simplify right side
    24,879.81x = 307,509,146.84
  5. Step 5: Solve for x
    x = 307,509,146.84/24,879.81
  6. Step 6: Final answer
    x = 12,359.79

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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.