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Finding the Fourth Proportional to 18,581.03, 27,850.07 and 8,564.84

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Solution

The fourth proportional to 18,581.03, 27,850.07 and 8,564.84 is: 12,837.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.03 : 27,850.07 = 8,564.84 : x
  2. Step 2: Convert to fraction form
    18,581.03/27,850.07 = 8,564.84/x
  3. Step 3: Cross multiply
    18,581.03x = 27,850.07 × 8,564.84
  4. Step 4: Simplify right side
    18,581.03x = 238,531,211.46
  5. Step 5: Solve for x
    x = 238,531,211.46/18,581.03
  6. Step 6: Final answer
    x = 12,837.35

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1.5x scale

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.