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Finding the Fourth Proportional to 11,664.52, 17,487.06 and 5,813.08

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Solution

The fourth proportional to 11,664.52, 17,487.06 and 5,813.08 is: 8,714.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664.52 : 17,487.06 = 5,813.08 : x
  2. Step 2: Convert to fraction form
    11,664.52/17,487.06 = 5,813.08/x
  3. Step 3: Cross multiply
    11,664.52x = 17,487.06 × 5,813.08
  4. Step 4: Simplify right side
    11,664.52x = 101,653,678.74
  5. Step 5: Solve for x
    x = 101,653,678.74/11,664.52
  6. Step 6: Final answer
    x = 8,714.78

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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.