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Finding the Fourth Proportional to 3,358.13, 5,037.21 and 1,049.63

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Solution

The fourth proportional to 3,358.13, 5,037.21 and 1,049.63 is: 1,574.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.13 : 5,037.21 = 1,049.63 : x
  2. Step 2: Convert to fraction form
    3,358.13/5,037.21 = 1,049.63/x
  3. Step 3: Cross multiply
    3,358.13x = 5,037.21 × 1,049.63
  4. Step 4: Simplify right side
    3,358.13x = 5,287,181.55
  5. Step 5: Solve for x
    x = 5,287,181.55/3,358.13
  6. Step 6: Final answer
    x = 1,574.44

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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.