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Finding the Fourth Proportional to 19,794.92, 29,683.67 and 11,480.67

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Solution

The fourth proportional to 19,794.92, 29,683.67 and 11,480.67 is: 17,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,794.92 : 29,683.67 = 11,480.67 : x
  2. Step 2: Convert to fraction form
    19,794.92/29,683.67 = 11,480.67/x
  3. Step 3: Cross multiply
    19,794.92x = 29,683.67 × 11,480.67
  4. Step 4: Simplify right side
    19,794.92x = 340,788,362.26
  5. Step 5: Solve for x
    x = 340,788,362.26/19,794.92
  6. Step 6: Final answer
    x = 17,215.95

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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.