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Finding the Fourth Proportional to 18,584.03, 27,881.52 and 7,485.01

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Solution

The fourth proportional to 18,584.03, 27,881.52 and 7,485.01 is: 11,229.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584.03 : 27,881.52 = 7,485.01 : x
  2. Step 2: Convert to fraction form
    18,584.03/27,881.52 = 7,485.01/x
  3. Step 3: Cross multiply
    18,584.03x = 27,881.52 × 7,485.01
  4. Step 4: Simplify right side
    18,584.03x = 208,693,358.24
  5. Step 5: Solve for x
    x = 208,693,358.24/18,584.03
  6. Step 6: Final answer
    x = 11,229.71

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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.