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Finding the Fourth Proportional to 2,410.46, 3,615.14 and 949.40

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Solution

The fourth proportional to 2,410.46, 3,615.14 and 949.40 is: 1,423.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,410.46 : 3,615.14 = 949.40 : x
  2. Step 2: Convert to fraction form
    2,410.46/3,615.14 = 949.40/x
  3. Step 3: Cross multiply
    2,410.46x = 3,615.14 × 949.40
  4. Step 4: Simplify right side
    2,410.46x = 3,432,213.92
  5. Step 5: Solve for x
    x = 3,432,213.92/2,410.46
  6. Step 6: Final answer
    x = 1,423.88

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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.