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Finding the Fourth Proportional to 17,722.67, 26,580.37 and 8,358.67

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Solution

The fourth proportional to 17,722.67, 26,580.37 and 8,358.67 is: 12,536.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,722.67 : 26,580.37 = 8,358.67 : x
  2. Step 2: Convert to fraction form
    17,722.67/26,580.37 = 8,358.67/x
  3. Step 3: Cross multiply
    17,722.67x = 26,580.37 × 8,358.67
  4. Step 4: Simplify right side
    17,722.67x = 222,176,541.31
  5. Step 5: Solve for x
    x = 222,176,541.31/17,722.67
  6. Step 6: Final answer
    x = 12,536.29

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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.