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Finding the Fourth Proportional to 13,044.75, 17,998.67 and 8,803.67

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Solution

The fourth proportional to 13,044.75, 17,998.67 and 8,803.67 is: 12,146.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,044.75 : 17,998.67 = 8,803.67 : x
  2. Step 2: Convert to fraction form
    13,044.75/17,998.67 = 8,803.67/x
  3. Step 3: Cross multiply
    13,044.75x = 17,998.67 × 8,803.67
  4. Step 4: Simplify right side
    13,044.75x = 158,454,217.11
  5. Step 5: Solve for x
    x = 158,454,217.11/13,044.75
  6. Step 6: Final answer
    x = 12,146.97

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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.