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Finding the Fourth Proportional to 11,479.52, 17,222.14 and 3,271.52

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Solution

The fourth proportional to 11,479.52, 17,222.14 and 3,271.52 is: 4,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.52 : 17,222.14 = 3,271.52 : x
  2. Step 2: Convert to fraction form
    11,479.52/17,222.14 = 3,271.52/x
  3. Step 3: Cross multiply
    11,479.52x = 17,222.14 × 3,271.52
  4. Step 4: Simplify right side
    11,479.52x = 56,342,575.45
  5. Step 5: Solve for x
    x = 56,342,575.45/11,479.52
  6. Step 6: Final answer
    x = 4,908.10

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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.