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Finding the Fourth Proportional to 18,401.80, 27,597.66 and 8,011.24

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Solution

The fourth proportional to 18,401.80, 27,597.66 and 8,011.24 is: 12,014.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.80 : 27,597.66 = 8,011.24 : x
  2. Step 2: Convert to fraction form
    18,401.80/27,597.66 = 8,011.24/x
  3. Step 3: Cross multiply
    18,401.80x = 27,597.66 × 8,011.24
  4. Step 4: Simplify right side
    18,401.80x = 221,091,477.70
  5. Step 5: Solve for x
    x = 221,091,477.70/18,401.80
  6. Step 6: Final answer
    x = 12,014.67

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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.