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Finding the Fourth Proportional to 10,630.89, 15,950.39 and 4,786.16

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Solution

The fourth proportional to 10,630.89, 15,950.39 and 4,786.16 is: 7,181.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630.89 : 15,950.39 = 4,786.16 : x
  2. Step 2: Convert to fraction form
    10,630.89/15,950.39 = 4,786.16/x
  3. Step 3: Cross multiply
    10,630.89x = 15,950.39 × 4,786.16
  4. Step 4: Simplify right side
    10,630.89x = 76,341,014.92
  5. Step 5: Solve for x
    x = 76,341,014.92/10,630.89
  6. Step 6: Final answer
    x = 7,181.06

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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.