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Finding the Fourth Proportional to 16,650.92, 22,979.86 and 9,098.40

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Solution

The fourth proportional to 16,650.92, 22,979.86 and 9,098.40 is: 12,556.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,650.92 : 22,979.86 = 9,098.40 : x
  2. Step 2: Convert to fraction form
    16,650.92/22,979.86 = 9,098.40/x
  3. Step 3: Cross multiply
    16,650.92x = 22,979.86 × 9,098.40
  4. Step 4: Simplify right side
    16,650.92x = 209,080,072.83
  5. Step 5: Solve for x
    x = 209,080,072.83/16,650.92
  6. Step 6: Final answer
    x = 12,556.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.