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Finding the Fourth Proportional to 11,887.22, 17,828.25 and 3,565.00

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Solution

The fourth proportional to 11,887.22, 17,828.25 and 3,565.00 is: 5,346.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.22 : 17,828.25 = 3,565.00 : x
  2. Step 2: Convert to fraction form
    11,887.22/17,828.25 = 3,565.00/x
  3. Step 3: Cross multiply
    11,887.22x = 17,828.25 × 3,565.00
  4. Step 4: Simplify right side
    11,887.22x = 63,557,790.36
  5. Step 5: Solve for x
    x = 63,557,790.36/11,887.22
  6. Step 6: Final answer
    x = 5,346.73

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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.