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Finding the Fourth Proportional to 18,580.74, 25,633.05 and 11,027.39

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Solution

The fourth proportional to 18,580.74, 25,633.05 and 11,027.39 is: 15,212.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580.74 : 25,633.05 = 11,027.39 : x
  2. Step 2: Convert to fraction form
    18,580.74/25,633.05 = 11,027.39/x
  3. Step 3: Cross multiply
    18,580.74x = 25,633.05 × 11,027.39
  4. Step 4: Simplify right side
    18,580.74x = 282,665,547.59
  5. Step 5: Solve for x
    x = 282,665,547.59/18,580.74
  6. Step 6: Final answer
    x = 15,212.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.