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Finding the Fourth Proportional to 17,992.27, 26,988.68 and 8,124.67

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Solution

The fourth proportional to 17,992.27, 26,988.68 and 8,124.67 is: 12,187.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992.27 : 26,988.68 = 8,124.67 : x
  2. Step 2: Convert to fraction form
    17,992.27/26,988.68 = 8,124.67/x
  3. Step 3: Cross multiply
    17,992.27x = 26,988.68 × 8,124.67
  4. Step 4: Simplify right side
    17,992.27x = 219,274,118.74
  5. Step 5: Solve for x
    x = 219,274,118.74/17,992.27
  6. Step 6: Final answer
    x = 12,187.13

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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.