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Finding the Fourth Proportional to 4,859.86, 6,707.22 and 2,763.58

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Solution

The fourth proportional to 4,859.86, 6,707.22 and 2,763.58 is: 3,814.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.86 : 6,707.22 = 2,763.58 : x
  2. Step 2: Convert to fraction form
    4,859.86/6,707.22 = 2,763.58/x
  3. Step 3: Cross multiply
    4,859.86x = 6,707.22 × 2,763.58
  4. Step 4: Simplify right side
    4,859.86x = 18,535,939.05
  5. Step 5: Solve for x
    x = 18,535,939.05/4,859.86
  6. Step 6: Final answer
    x = 3,814.09

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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.