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Finding the Fourth Proportional to 27,992.70, 41,994.97 and 9,271.67

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Solution

The fourth proportional to 27,992.70, 41,994.97 and 9,271.67 is: 13,909.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,992.70 : 41,994.97 = 9,271.67 : x
  2. Step 2: Convert to fraction form
    27,992.70/41,994.97 = 9,271.67/x
  3. Step 3: Cross multiply
    27,992.70x = 41,994.97 × 9,271.67
  4. Step 4: Simplify right side
    27,992.70x = 389,363,637.72
  5. Step 5: Solve for x
    x = 389,363,637.72/27,992.70
  6. Step 6: Final answer
    x = 13,909.47

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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.