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Finding the Fourth Proportional to 12,393.87, 18,582.73 and 4,494.92

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Solution

The fourth proportional to 12,393.87, 18,582.73 and 4,494.92 is: 6,739.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.87 : 18,582.73 = 4,494.92 : x
  2. Step 2: Convert to fraction form
    12,393.87/18,582.73 = 4,494.92/x
  3. Step 3: Cross multiply
    12,393.87x = 18,582.73 × 4,494.92
  4. Step 4: Simplify right side
    12,393.87x = 83,527,791.82
  5. Step 5: Solve for x
    x = 83,527,791.82/12,393.87
  6. Step 6: Final answer
    x = 6,739.44

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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.