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Finding the Fourth Proportional to 11,696, 17,545.18 and 3,798.19

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Solution

The fourth proportional to 11,696, 17,545.18 and 3,798.19 is: 5,697.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,696 : 17,545.18 = 3,798.19 : x
  2. Step 2: Convert to fraction form
    11,696/17,545.18 = 3,798.19/x
  3. Step 3: Cross multiply
    11,696x = 17,545.18 × 3,798.19
  4. Step 4: Simplify right side
    11,696x = 66,639,927.22
  5. Step 5: Solve for x
    x = 66,639,927.22/11,696
  6. Step 6: Final answer
    x = 5,697.67

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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.