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Finding the Fourth Proportional to 4,610.47, 6,914.23 and 1,489.81

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Solution

The fourth proportional to 4,610.47, 6,914.23 and 1,489.81 is: 2,234.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.47 : 6,914.23 = 1,489.81 : x
  2. Step 2: Convert to fraction form
    4,610.47/6,914.23 = 1,489.81/x
  3. Step 3: Cross multiply
    4,610.47x = 6,914.23 × 1,489.81
  4. Step 4: Simplify right side
    4,610.47x = 10,300,880.95
  5. Step 5: Solve for x
    x = 10,300,880.95/4,610.47
  6. Step 6: Final answer
    x = 2,234.24

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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.