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Finding the Fourth Proportional to 8,393.58, 11,582.34 and 4,616.69

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Solution

The fourth proportional to 8,393.58, 11,582.34 and 4,616.69 is: 6,370.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.58 : 11,582.34 = 4,616.69 : x
  2. Step 2: Convert to fraction form
    8,393.58/11,582.34 = 4,616.69/x
  3. Step 3: Cross multiply
    8,393.58x = 11,582.34 × 4,616.69
  4. Step 4: Simplify right side
    8,393.58x = 53,472,067.43
  5. Step 5: Solve for x
    x = 53,472,067.43/8,393.58
  6. Step 6: Final answer
    x = 6,370.59

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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.