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Finding the Fourth Proportional to 19,360.92, 28,968.02 and 11,467.67

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Solution

The fourth proportional to 19,360.92, 28,968.02 and 11,467.67 is: 17,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.92 : 28,968.02 = 11,467.67 : x
  2. Step 2: Convert to fraction form
    19,360.92/28,968.02 = 11,467.67/x
  3. Step 3: Cross multiply
    19,360.92x = 28,968.02 × 11,467.67
  4. Step 4: Simplify right side
    19,360.92x = 332,195,636.58
  5. Step 5: Solve for x
    x = 332,195,636.58/19,360.92
  6. Step 6: Final answer
    x = 17,158.05

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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.