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Finding the Fourth Proportional to 15,217.67, 22,795.06 and 8,958.39

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Solution

The fourth proportional to 15,217.67, 22,795.06 and 8,958.39 is: 13,419.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217.67 : 22,795.06 = 8,958.39 : x
  2. Step 2: Convert to fraction form
    15,217.67/22,795.06 = 8,958.39/x
  3. Step 3: Cross multiply
    15,217.67x = 22,795.06 × 8,958.39
  4. Step 4: Simplify right side
    15,217.67x = 204,207,015.16
  5. Step 5: Solve for x
    x = 204,207,015.16/15,217.67
  6. Step 6: Final answer
    x = 13,419.08

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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.