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Finding the Fourth Proportional to 4,786.42, 7,176.32 and 2,441.88

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Solution

The fourth proportional to 4,786.42, 7,176.32 and 2,441.88 is: 3,661.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.42 : 7,176.32 = 2,441.88 : x
  2. Step 2: Convert to fraction form
    4,786.42/7,176.32 = 2,441.88/x
  3. Step 3: Cross multiply
    4,786.42x = 7,176.32 × 2,441.88
  4. Step 4: Simplify right side
    4,786.42x = 17,523,712.28
  5. Step 5: Solve for x
    x = 17,523,712.28/4,786.42
  6. Step 6: Final answer
    x = 3,661.13

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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.