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Finding the Fourth Proportional to 11,392.44, 17,089.47 and 3,493.93

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Solution

The fourth proportional to 11,392.44, 17,089.47 and 3,493.93 is: 5,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,392.44 : 17,089.47 = 3,493.93 : x
  2. Step 2: Convert to fraction form
    11,392.44/17,089.47 = 3,493.93/x
  3. Step 3: Cross multiply
    11,392.44x = 17,089.47 × 3,493.93
  4. Step 4: Simplify right side
    11,392.44x = 59,709,411.92
  5. Step 5: Solve for x
    x = 59,709,411.92/11,392.44
  6. Step 6: Final answer
    x = 5,241.14

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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.