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Finding the Fourth Proportional to 17,694.99, 26,545.39 and 7,165.67

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Solution

The fourth proportional to 17,694.99, 26,545.39 and 7,165.67 is: 10,749.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,694.99 : 26,545.39 = 7,165.67 : x
  2. Step 2: Convert to fraction form
    17,694.99/26,545.39 = 7,165.67/x
  3. Step 3: Cross multiply
    17,694.99x = 26,545.39 × 7,165.67
  4. Step 4: Simplify right side
    17,694.99x = 190,215,354.12
  5. Step 5: Solve for x
    x = 190,215,354.12/17,694.99
  6. Step 6: Final answer
    x = 10,749.67

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Double scale
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Similar ratio
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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.