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Finding the Fourth Proportional to 3,493.65, 5,241.39 and 1,154.01

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Solution

The fourth proportional to 3,493.65, 5,241.39 and 1,154.01 is: 1,731.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.65 : 5,241.39 = 1,154.01 : x
  2. Step 2: Convert to fraction form
    3,493.65/5,241.39 = 1,154.01/x
  3. Step 3: Cross multiply
    3,493.65x = 5,241.39 × 1,154.01
  4. Step 4: Simplify right side
    3,493.65x = 6,048,616.47
  5. Step 5: Solve for x
    x = 6,048,616.47/3,493.65
  6. Step 6: Final answer
    x = 1,731.32

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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.